1069868880 has 120 divisors (see below), whose sum is σ = 3598912512. Its totient is φ = 284827392.

The previous prime is 1069868879. The next prime is 1069868881. The reversal of 1069868880 is 888689601.

It is an interprime number because it is at equal distance from previous prime (1069868879) and next prime (1069868881).

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×1069868880² = 2289238840784908800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069868881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 781957 + ... + 783323.

Almost surely, 2^1069868880 is an apocalyptic number.

1069868880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1069868880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1799456256).

1069868880 is an abundant number, since it is smaller than the sum of its proper divisors (2529043632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1069868880 is a wasteful number, since it uses less digits than its factorization.

1069868880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473 (or 2464 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 54.

The square root of 1069868880 is about 32708.8501785067. The cubic root of 1069868880 is about 1022.7673410187.

The spelling of 1069868880 in words is "one billion, sixty-nine million, eight hundred sixty-eight thousand, eight hundred eighty".