117077358779 has 4 divisors (see below), whose sum is σ = 117150671184. Its totient is φ = 117004046376.

The previous prime is 117077358737. The next prime is 117077358791. The reversal of 117077358779 is 977853770711.

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

It is a cyclic number.

It is not a de Polignac number, because 117077358779 - 2⁸ = 117077358523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117077358709) 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, 36653807 + ... + 36657000.

It is an arithmetic number, because the mean of its divisors is an integer number (29287667796).

Almost surely, 2^117077358779 is an apocalyptic number.

117077358779 is a deficient number, since it is larger than the sum of its proper divisors (73312405).

117077358779 is an equidigital number, since it uses as much as digits as its factorization.

117077358779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73312404.

The product of its (nonzero) digits is 18151560, while the sum is 62.

The spelling of 117077358779 in words is "one hundred seventeen billion, seventy-seven million, three hundred fifty-eight thousand, seven hundred seventy-nine".