90770397513 has 16 divisors (see below), whose sum is σ = 122762044800. Its totient is φ = 59646594560.

The previous prime is 90770397493. The next prime is 90770397527. The reversal of 90770397513 is 31579307709.

It is a cyclic number.

It is not a de Polignac number, because 90770397513 - 2⁵ = 90770397481 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (90770397563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 850393 + ... + 951161.

It is an arithmetic number, because the mean of its divisors is an integer number (7672627800).

Almost surely, 2^90770397513 is an apocalyptic number.

It is an amenable number.

90770397513 is a deficient number, since it is larger than the sum of its proper divisors (31991647287).

90770397513 is a wasteful number, since it uses less digits than its factorization.

90770397513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105072.

The product of its (nonzero) digits is 1250235, while the sum is 51.

The spelling of 90770397513 in words is "ninety billion, seven hundred seventy million, three hundred ninety-seven thousand, five hundred thirteen".