90711859464 has 48 divisors (see below), whose sum is σ = 248438396700. Its totient is φ = 29897539584.

The previous prime is 90711859451. The next prime is 90711859471. The reversal of 90711859464 is 46495811709.

90711859464 is a `hidden beast` number, since 90 + 7 + 11 + 85 + 9 + 464 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 90335111364 + 376748100 = 300558^2 + 19410^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90711859464.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7071609 + ... + 7084424.

Almost surely, 2^90711859464 is an apocalyptic number.

It is an amenable number.

90711859464 is an abundant number, since it is smaller than the sum of its proper divisors (157726537236).

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

90711859464 is a wasteful number, since it uses less digits than its factorization.

90711859464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14156134 (or 14156127 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 90711859464 in words is "ninety billion, seven hundred eleven million, eight hundred fifty-nine thousand, four hundred sixty-four".