90579923324712 has 48 divisors (see below), whose sum is σ = 246967072852500. Its totient is φ = 29990668121856.

The previous prime is 90579923324669. The next prime is 90579923324717. The reversal of 90579923324712 is 21742332997509.

90579923324712 is a `hidden beast` number, since 9 + 0 + 5 + 79 + 92 + 3 + 3 + 2 + 471 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 90209838468996 + 370084855716 = 9497886^2 + 608346^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90579923324712.

It is not an unprimeable number, because it can be changed into a prime (90579923324717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4221648637 + ... + 4221670092.

Almost surely, 2^{90579923324712} is an apocalyptic number.

It is an amenable number.

90579923324712 is an abundant number, since it is smaller than the sum of its proper divisors (156387149527788).

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

90579923324712 is a wasteful number, since it uses less digits than its factorization.

90579923324712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8443318890 (or 8443318883 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 63.

The spelling of 90579923324712 in words is "ninety trillion, five hundred seventy-nine billion, nine hundred twenty-three million, three hundred twenty-four thousand, seven hundred twelve".