90977836 has 6 divisors (see below), whose sum is σ = 159211220. Its totient is φ = 45488916.

The previous prime is 90977827. The next prime is 90977837. The reversal of 90977836 is 63877909.

It is a self number, because there is not a number n which added to its sum of digits gives 90977836.

It is not an unprimeable number, because it can be changed into a prime (90977837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11372226 + ... + 11372233.

Almost surely, 2^90977836 is an apocalyptic number.

It is an amenable number.

90977836 is a deficient number, since it is larger than the sum of its proper divisors (68233384).

90977836 is a wasteful number, since it uses less digits than its factorization.

90977836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22744463 (or 22744461 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 90977836 is about 9538.2302341682. The cubic root of 90977836 is about 449.7576242092.

The spelling of 90977836 in words is "ninety million, nine hundred seventy-seven thousand, eight hundred thirty-six".