89757656 has 16 divisors (see below), whose sum is σ = 168567000. Its totient is φ = 44806464.

The previous prime is 89757649. The next prime is 89757659. The reversal of 89757656 is 65675798.

It is a happy number.

It is a super-2 number, since 2×89757656² = 16112873621228672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89757598 and 89757607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89757659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3581 + ... + 13868.

Almost surely, 2^89757656 is an apocalyptic number.

It is an amenable number.

89757656 is a deficient number, since it is larger than the sum of its proper divisors (78809344).

89757656 is a wasteful number, since it uses less digits than its factorization.

89757656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18098 (or 18094 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 53.

The square root of 89757656 is about 9474.0517203570. The cubic root of 89757656 is about 447.7378754663.

The spelling of 89757656 in words is "eighty-nine million, seven hundred fifty-seven thousand, six hundred fifty-six".