90407070956 has 12 divisors (see below), whose sum is σ = 160573753368. Its totient is φ = 44528855712.

The previous prime is 90407070931. The next prime is 90407070973. The reversal of 90407070956 is 65907070409.

It is a self number, because there is not a number n which added to its sum of digits gives 90407070956.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 168669641 + ... + 168670176.

It is an arithmetic number, because the mean of its divisors is an integer number (13381146114).

Almost surely, 2^90407070956 is an apocalyptic number.

It is an amenable number.

90407070956 is a deficient number, since it is larger than the sum of its proper divisors (70166682412).

90407070956 is a wasteful number, since it uses less digits than its factorization.

90407070956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337339888 (or 337339886 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 90407070956 in words is "ninety billion, four hundred seven million, seventy thousand, nine hundred fifty-six".