90950974500 has 96 divisors (see below), whose sum is σ = 273982101120. Its totient is φ = 23417251200.

The previous prime is 90950974489. The next prime is 90950974501. The reversal of 90950974500 is 547905909.

It is a self number, because there is not a number n which added to its sum of digits gives 90950974500.

It is not an unprimeable number, because it can be changed into a prime (90950974501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1001914 + ... + 1088913.

It is an arithmetic number, because the mean of its divisors is an integer number (2853980220).

Almost surely, 2^90950974500 is an apocalyptic number.

It is an amenable number.

90950974500 is an abundant number, since it is smaller than the sum of its proper divisors (183031126620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90950974500 is a wasteful number, since it uses less digits than its factorization.

90950974500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090878 (or 2090866 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 48.

The spelling of 90950974500 in words is "ninety billion, nine hundred fifty million, nine hundred seventy-four thousand, five hundred".