89952039665 has 16 divisors (see below), whose sum is σ = 108253436880. Its totient is φ = 71754439680.

The previous prime is 89952039631. The next prime is 89952039673. The reversal of 89952039665 is 56693025998.

It can be written as a sum of positive squares in 8 ways, for example, as 4964047936 + 84987991729 = 70456^2 + 291527^2 .

It is not a de Polignac number, because 89952039665 - 2¹⁸ = 89951777521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89952039598 and 89952039607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6998645 + ... + 7011485.

It is an arithmetic number, because the mean of its divisors is an integer number (6765839805).

Almost surely, 2^89952039665 is an apocalyptic number.

It is an amenable number.

89952039665 is a deficient number, since it is larger than the sum of its proper divisors (18301397215).

89952039665 is a wasteful number, since it uses less digits than its factorization.

89952039665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16772.

The product of its (nonzero) digits is 31492800, while the sum is 62.

The spelling of 89952039665 in words is "eighty-nine billion, nine hundred fifty-two million, thirty-nine thousand, six hundred sixty-five".