117777951967 has 16 divisors (see below), whose sum is σ = 130289468512. Its totient is φ = 105760598400.

The previous prime is 117777951959. The next prime is 117777951979. The reversal of 117777951967 is 769159777711.

It is a cyclic number.

It is not a de Polignac number, because 117777951967 - 2³ = 117777951959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117777951167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3083953 + ... + 3121909.

It is an arithmetic number, because the mean of its divisors is an integer number (8143091782).

Almost surely, 2^117777951967 is an apocalyptic number.

117777951967 is a deficient number, since it is larger than the sum of its proper divisors (12511516545).

117777951967 is a wasteful number, since it uses less digits than its factorization.

117777951967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44458.

The product of its digits is 40841010, while the sum is 67.

The spelling of 117777951967 in words is "one hundred seventeen billion, seven hundred seventy-seven million, nine hundred fifty-one thousand, nine hundred sixty-seven".