90813143294775 has 72 divisors (see below), whose sum is σ = 187881224032944. Its totient is φ = 41440578739200.

The previous prime is 90813143294773. The next prime is 90813143294813. The reversal of 90813143294775 is 57749234131809.

90813143294775 is a `hidden beast` number, since 9 + 0 + 8 + 13 + 143 + 2 + 9 + 477 + 5 = 666.

It is not a de Polignac number, because 90813143294775 - 2¹ = 90813143294773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90813143294771) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1079139664 + ... + 1079223813.

It is an arithmetic number, because the mean of its divisors is an integer number (2609461444902).

Almost surely, 2^{90813143294775} is an apocalyptic number.

90813143294775 is an abundant number, since it is smaller than the sum of its proper divisors (97068080738169).

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

90813143294775 is a wasteful number, since it uses less digits than its factorization.

90813143294775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158363521 (or 2158363513 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 90813143294775 in words is "ninety trillion, eight hundred thirteen billion, one hundred forty-three million, two hundred ninety-four thousand, seven hundred seventy-five".