117707937 has 4 divisors (see below), whose sum is σ = 156943920. Its totient is φ = 78471956.

The previous prime is 117707923. The next prime is 117707939. The reversal of 117707937 is 739707711.

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, and also an emirpimes, since its reverse is a distinct semiprime: 739707711 = 3 ⋅246569237.

It is a cyclic number.

It is not a de Polignac number, because 117707937 - 2¹⁸ = 117445793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117707939) 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, 19617987 + ... + 19617992.

It is an arithmetic number, because the mean of its divisors is an integer number (39235980).

Almost surely, 2^117707937 is an apocalyptic number.

It is an amenable number.

117707937 is a deficient number, since it is larger than the sum of its proper divisors (39235983).

117707937 is an equidigital number, since it uses as much as digits as its factorization.

117707937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39235982.

The product of its (nonzero) digits is 64827, while the sum is 42.

The square root of 117707937 is about 10849.3288732529. The cubic root of 117707937 is about 490.0818091922.

The spelling of 117707937 in words is "one hundred seventeen million, seven hundred seven thousand, nine hundred thirty-seven".