90954688572 has 72 divisors (see below), whose sum is σ = 258905267712. Its totient is φ = 26672925600.

The previous prime is 90954688553. The next prime is 90954688579. The reversal of 90954688572 is 27588645909.

90954688572 is a `hidden beast` number, since 9 + 0 + 9 + 54 + 6 + 8 + 8 + 572 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90954688579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3692298 + ... + 3716849.

It is an arithmetic number, because the mean of its divisors is an integer number (3595906496).

Almost surely, 2^90954688572 is an apocalyptic number.

It is an amenable number.

90954688572 is an abundant number, since it is smaller than the sum of its proper divisors (167950579140).

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

90954688572 is a wasteful number, since it uses less digits than its factorization.

90954688572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7409199 (or 7409194 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 63.

The spelling of 90954688572 in words is "ninety billion, nine hundred fifty-four million, six hundred eighty-eight thousand, five hundred seventy-two".