90116709378723 has 12 divisors (see below), whose sum is σ = 131816283761760. Its totient is φ = 59317327691856.

The previous prime is 90116709378719. The next prime is 90116709378739. The reversal of 90116709378723 is 32787390761109.

It is not a de Polignac number, because 90116709378723 - 2² = 90116709378719 is a prime.

It is a super-2 number, since 2×90116709378723² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90116709378763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63373212636 + ... + 63373214057.

It is an arithmetic number, because the mean of its divisors is an integer number (10984690313480).

Almost surely, 2^{90116709378723} is an apocalyptic number.

90116709378723 is a deficient number, since it is larger than the sum of its proper divisors (41699574383037).

90116709378723 is a wasteful number, since it uses less digits than its factorization.

90116709378723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126746426778 (or 126746426775 counting only the distinct ones).

The product of its (nonzero) digits is 24004512, while the sum is 63.

The spelling of 90116709378723 in words is "ninety trillion, one hundred sixteen billion, seven hundred nine million, three hundred seventy-eight thousand, seven hundred twenty-three".