117976207 has 4 divisors (see below), whose sum is σ = 118004616. Its totient is φ = 117947800.

The previous prime is 117976193. The next prime is 117976231. The reversal of 117976207 is 702679711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117976207 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 117976207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117976247) 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, 6628 + ... + 16729.

It is an arithmetic number, because the mean of its divisors is an integer number (29501154).

Almost surely, 2^117976207 is an apocalyptic number.

117976207 is a deficient number, since it is larger than the sum of its proper divisors (28409).

117976207 is an equidigital number, since it uses as much as digits as its factorization.

117976207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28408.

The product of its (nonzero) digits is 37044, while the sum is 40.

The square root of 117976207 is about 10861.6852743946. The cubic root of 117976207 is about 490.4538444032.

The spelling of 117976207 in words is "one hundred seventeen million, nine hundred seventy-six thousand, two hundred seven".