90727201313 has 16 divisors (see below), whose sum is σ = 107079100800. Its totient is φ = 76829206608.

The previous prime is 90727201297. The next prime is 90727201333. The reversal of 90727201313 is 31310272709.

It is not a de Polignac number, because 90727201313 - 2⁴ = 90727201297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90727201333) 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, 1564970 + ... + 1621907.

It is an arithmetic number, because the mean of its divisors is an integer number (6692443800).

Almost surely, 2^90727201313 is an apocalyptic number.

It is an amenable number.

90727201313 is a deficient number, since it is larger than the sum of its proper divisors (16351899487).

90727201313 is an equidigital number, since it uses as much as digits as its factorization.

90727201313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186981 (or 3186967 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 35.

The spelling of 90727201313 in words is "ninety billion, seven hundred twenty-seven million, two hundred one thousand, three hundred thirteen".