90478264922 has 16 divisors (see below), whose sum is σ = 138287612232. Its totient is φ = 44382511680.

The previous prime is 90478264897. The next prime is 90478264931. The reversal of 90478264922 is 22946287409.

It can be written as a sum of positive squares in 4 ways, for example, as 90371783161 + 106481761 = 300619^2 + 10319^2 .

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2798972 + ... + 2831112.

Almost surely, 2^90478264922 is an apocalyptic number.

90478264922 is a deficient number, since it is larger than the sum of its proper divisors (47809347310).

90478264922 is a wasteful number, since it uses less digits than its factorization.

90478264922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58753.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 90478264922 in words is "ninety billion, four hundred seventy-eight million, two hundred sixty-four thousand, nine hundred twenty-two".