89951637952 has 28 divisors (see below), whose sum is σ = 194724854136. Its totient is φ = 40887107840.

The previous prime is 89951637883. The next prime is 89951637961. The reversal of 89951637952 is 25973615998.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63885403 + ... + 63886810.

Almost surely, 2^89951637952 is an apocalyptic number.

It is an amenable number.

89951637952 is an abundant number, since it is smaller than the sum of its proper divisors (104773216184).

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

89951637952 is a wasteful number, since it uses less digits than its factorization.

89951637952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127772236 (or 127772226 counting only the distinct ones).

The product of its digits is 36741600, while the sum is 64.

The spelling of 89951637952 in words is "eighty-nine billion, nine hundred fifty-one million, six hundred thirty-seven thousand, nine hundred fifty-two".