10867880 has 32 divisors (see below), whose sum is σ = 24713640. Its totient is φ = 4300800.

The previous prime is 10867873. The next prime is 10867889. The reversal of 10867880 is 8876801.

It can be written as a sum of positive squares in 4 ways, for example, as 8514724 + 2353156 = 2918^2 + 1534^2 .

It is a super-2 number, since 2×10867880² = 236221631388800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (10867889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2480 + ... + 5280.

Almost surely, 2^10867880 is an apocalyptic number.

10867880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10867880 is an abundant number, since it is smaller than the sum of its proper divisors (13845760).

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

10867880 is a wasteful number, since it uses less digits than its factorization.

10867880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909 (or 2905 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 10867880 is about 3296.6467812006. The cubic root of 10867880 is about 221.5040194805.

The spelling of 10867880 in words is "ten million, eight hundred sixty-seven thousand, eight hundred eighty".