90907748416 has 14 divisors (see below), whose sum is σ = 180395063390. Its totient is φ = 45453874176.

The previous prime is 90907748389. The next prime is 90907748443. The reversal of 90907748416 is 61484770909.

It is an interprime number because it is at equal distance from previous prime (90907748389) and next prime (90907748443).

It can be written as a sum of positive squares in only one way, i.e., 88622908416 + 2284840000 = 297696^2 + 47800^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710216721 + ... + 710216848.

Almost surely, 2^90907748416 is an apocalyptic number.

It is an amenable number.

90907748416 is a deficient number, since it is larger than the sum of its proper divisors (89487314974).

90907748416 is a wasteful number, since it uses less digits than its factorization.

90907748416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420433581 (or 1420433571 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 90907748416 in words is "ninety billion, nine hundred seven million, seven hundred forty-eight thousand, four hundred sixteen".