37117940697 has 12 divisors (see below), whose sum is σ = 53701426480. Its totient is φ = 24705313848.

The previous prime is 37117940669. The next prime is 37117940711. The reversal of 37117940697 is 79604971173.

37117940697 is a `hidden beast` number, since 37 + 117 + 9 + 406 + 97 = 666.

37117940697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 37117940697 - 2¹² = 37117936601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37117940617) 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, 3325783 + ... + 3336924.

Almost surely, 2^37117940697 is an apocalyptic number.

It is an amenable number.

37117940697 is a deficient number, since it is larger than the sum of its proper divisors (16583485783).

37117940697 is a wasteful number, since it uses less digits than its factorization.

37117940697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6663332 (or 6663329 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 54.

The spelling of 37117940697 in words is "thirty-seven billion, one hundred seventeen million, nine hundred forty thousand, six hundred ninety-seven".