90197608315900 has 36 divisors (see below), whose sum is σ = 196289637657400. Its totient is φ = 35975664964800.

The previous prime is 90197608315811. The next prime is 90197608315907. The reversal of 90197608315900 is 951380679109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90197608315907) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1292194446 + ... + 1292264245.

Almost surely, 2^{90197608315900} is an apocalyptic number.

It is an amenable number.

90197608315900 is an abundant number, since it is smaller than the sum of its proper divisors (106092029341500).

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

90197608315900 is a wasteful number, since it uses less digits than its factorization.

90197608315900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584459054 (or 2584459047 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 58.

The spelling of 90197608315900 in words is "ninety trillion, one hundred ninety-seven billion, six hundred eight million, three hundred fifteen thousand, nine hundred".