90231584702 has 16 divisors (see below), whose sum is σ = 154699883520. Its totient is φ = 38666387448.

The previous prime is 90231584701. The next prime is 90231584747. The reversal of 90231584702 is 20748513209.

It is a self number, because there is not a number n which added to its sum of digits gives 90231584702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90231584701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225302 + ... + 480857.

It is an arithmetic number, because the mean of its divisors is an integer number (9668742720).

Almost surely, 2^90231584702 is an apocalyptic number.

90231584702 is a deficient number, since it is larger than the sum of its proper divisors (64468298818).

90231584702 is a wasteful number, since it uses less digits than its factorization.

90231584702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715295.

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

The spelling of 90231584702 in words is "ninety billion, two hundred thirty-one million, five hundred eighty-four thousand, seven hundred two".