90578200624738 has 32 divisors (see below), whose sum is σ = 145189021950720. Its totient is φ = 42231154049280.

The previous prime is 90578200624697. The next prime is 90578200624781. The reversal of 90578200624738 is 83742600287509.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55087383 + ... + 56707813.

It is an arithmetic number, because the mean of its divisors is an integer number (4537156935960).

Almost surely, 2^{90578200624738} is an apocalyptic number.

90578200624738 is a deficient number, since it is larger than the sum of its proper divisors (54610821325982).

90578200624738 is a wasteful number, since it uses less digits than its factorization.

90578200624738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635642.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 90578200624738 in words is "ninety trillion, five hundred seventy-eight billion, two hundred million, six hundred twenty-four thousand, seven hundred thirty-eight".