1069889788 has 12 divisors (see below), whose sum is σ = 2042516952. Its totient is φ = 486313520.

The previous prime is 1069889773. The next prime is 1069889801. The reversal of 1069889788 is 8879889601.

It is a super-2 number, since 2×1069889788² = 2289328316933369888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12157795 + ... + 12157882.

It is an arithmetic number, because the mean of its divisors is an integer number (170209746).

Almost surely, 2^1069889788 is an apocalyptic number.

It is an amenable number.

1069889788 is a deficient number, since it is larger than the sum of its proper divisors (972627164).

1069889788 is a wasteful number, since it uses less digits than its factorization.

1069889788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24315692 (or 24315690 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 64.

The square root of 1069889788 is about 32709.1697846338. The cubic root of 1069889788 is about 1022.7740034801.

The spelling of 1069889788 in words is "one billion, sixty-nine million, eight hundred eighty-nine thousand, seven hundred eighty-eight".