117890777849097 has 32 divisors (see below), whose sum is σ = 181088858151936. Its totient is φ = 67519076504000.

The previous prime is 117890777849059. The next prime is 117890777849129. The reversal of 117890777849097 is 790948777098711.

It is not a de Polignac number, because 117890777849097 - 2¹⁰ = 117890777848073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117890777849057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 935622654 + ... + 935748647.

It is an arithmetic number, because the mean of its divisors is an integer number (5659026817248).

Almost surely, 2^{117890777849097} is an apocalyptic number.

It is an amenable number.

117890777849097 is a deficient number, since it is larger than the sum of its proper divisors (63198080302839).

117890777849097 is a wasteful number, since it uses less digits than its factorization.

117890777849097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871371421.

The product of its (nonzero) digits is 3136589568, while the sum is 84.

The spelling of 117890777849097 in words is "one hundred seventeen trillion, eight hundred ninety billion, seven hundred seventy-seven million, eight hundred forty-nine thousand, ninety-seven".