90776475 has 36 divisors (see below), whose sum is σ = 164211216. Its totient is φ = 47931840.

The previous prime is 90776417. The next prime is 90776489. The reversal of 90776475 is 57467709.

It is not a de Polignac number, because 90776475 - 2¹⁸ = 90514331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 90776475.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21217 + ... + 25133.

Almost surely, 2^90776475 is an apocalyptic number.

90776475 is a deficient number, since it is larger than the sum of its proper divisors (73434741).

90776475 is a wasteful number, since it uses less digits than its factorization.

90776475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036 (or 4028 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The square root of 90776475 is about 9527.6689174215. The cubic root of 90776475 is about 449.4255633250.

The spelling of 90776475 in words is "ninety million, seven hundred seventy-six thousand, four hundred seventy-five".