89664710526 has 24 divisors (see below), whose sum is σ = 194281192560. Its totient is φ = 29887059456.

The previous prime is 89664710497. The next prime is 89664710573. The reversal of 89664710526 is 62501746698.

89664710526 is a `hidden beast` number, since 8 + 9 + 66 + 47 + 10 + 526 = 666.

It is a super-2 number, since 2×89664710526² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 456126 + ... + 622398.

It is an arithmetic number, because the mean of its divisors is an integer number (8095049690).

Almost surely, 2^89664710526 is an apocalyptic number.

89664710526 is an abundant number, since it is smaller than the sum of its proper divisors (104616482034).

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

89664710526 is a wasteful number, since it uses less digits than its factorization.

89664710526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196240 (or 196237 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 89664710526 in words is "eighty-nine billion, six hundred sixty-four million, seven hundred ten thousand, five hundred twenty-six".