97713137 has 4 divisors (see below), whose sum is σ = 97737216. Its totient is φ = 97689060.

The previous prime is 97713103. The next prime is 97713139. The reversal of 97713137 is 73131779.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97713137 - 2¹⁰ = 97712113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97713137.

It is not an unprimeable number, because it can be changed into a prime (97713139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4289 + ... + 14622.

It is an arithmetic number, because the mean of its divisors is an integer number (24434304).

Almost surely, 2^97713137 is an apocalyptic number.

It is an amenable number.

97713137 is a deficient number, since it is larger than the sum of its proper divisors (24079).

97713137 is a wasteful number, since it uses less digits than its factorization.

97713137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24078.

The product of its digits is 27783, while the sum is 38.

The square root of 97713137 is about 9884.9955488103. The cubic root of 97713137 is about 460.5933379996.

The spelling of 97713137 in words is "ninety-seven million, seven hundred thirteen thousand, one hundred thirty-seven".