90287122532 has 12 divisors (see below), whose sum is σ = 161676940656. Its totient is φ = 44093710920.

The previous prime is 90287122511. The next prime is 90287122559. The reversal of 90287122532 is 23522178209.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 90287122532.

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, 262462394 + ... + 262462737.

It is an arithmetic number, because the mean of its divisors is an integer number (13473078388).

Almost surely, 2^90287122532 is an apocalyptic number.

It is an amenable number.

90287122532 is a deficient number, since it is larger than the sum of its proper divisors (71389818124).

90287122532 is a wasteful number, since it uses less digits than its factorization.

90287122532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524925178 (or 524925176 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 90287122532 in words is "ninety billion, two hundred eighty-seven million, one hundred twenty-two thousand, five hundred thirty-two".