90812464332884 has 12 divisors (see below), whose sum is σ = 181624928665824. Its totient is φ = 38919627571224.

The previous prime is 90812464332881. The next prime is 90812464332899. The reversal of 90812464332884 is 48823346421809.

90812464332884 is an admirable number.

It is a super-2 number, since 2×90812464332884² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90812464332881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1621651148774 + ... + 1621651148829.

It is an arithmetic number, because the mean of its divisors is an integer number (15135410722152).

Almost surely, 2^{90812464332884} is an apocalyptic number.

It is an amenable number.

90812464332884 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

90812464332884 is a wasteful number, since it uses less digits than its factorization.

90812464332884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243302297614 (or 3243302297612 counting only the distinct ones).

The product of its (nonzero) digits is 63700992, while the sum is 62.

The spelling of 90812464332884 in words is "ninety trillion, eight hundred twelve billion, four hundred sixty-four million, three hundred thirty-two thousand, eight hundred eighty-four".