90713158938 has 12 divisors (see below), whose sum is σ = 196545177738. Its totient is φ = 30237719640.

The previous prime is 90713158937. The next prime is 90713158951. The reversal of 90713158938 is 83985131709.

It can be written as a sum of positive squares in only one way, i.e., 81582783129 + 9130375809 = 285627^2 + 95553^2 .

It is not an unprimeable number, because it can be changed into a prime (90713158937) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2519809953 + ... + 2519809988.

Almost surely, 2^90713158938 is an apocalyptic number.

90713158938 is an abundant number, since it is smaller than the sum of its proper divisors (105832018800).

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

90713158938 is a wasteful number, since it uses less digits than its factorization.

90713158938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5039619949 (or 5039619946 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 90713158938 in words is "ninety billion, seven hundred thirteen million, one hundred fifty-eight thousand, nine hundred thirty-eight".