89609880 has 32 divisors (see below), whose sum is σ = 268830000. Its totient is φ = 23895936.

The previous prime is 89609879. The next prime is 89609911. The reversal of 89609880 is 8890698.

It is a super-2 number, since 2×89609880² = 16059861187228800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373255 + ... + 373494.

Almost surely, 2^89609880 is an apocalyptic number.

It is an amenable number.

89609880 is an abundant number, since it is smaller than the sum of its proper divisors (179220120).

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

89609880 is a wasteful number, since it uses less digits than its factorization.

89609880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746763 (or 746759 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 89609880 is about 9466.2495213258. The cubic root of 89609880 is about 447.4920236190.

The spelling of 89609880 in words is "eighty-nine million, six hundred nine thousand, eight hundred eighty".