117890777849183 has 2 divisors, whose sum is σ = 117890777849184. Its totient is φ = 117890777849182.

The previous prime is 117890777849177. The next prime is 117890777849303. The reversal of 117890777849183 is 381948777098711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117890777849183 - 2²⁰ = 117890776800607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117890777849098 and 117890777849107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117890777809183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58945388924591 + 58945388924592.

It is an arithmetic number, because the mean of its divisors is an integer number (58945388924592).

Almost surely, 2^{117890777849183} is an apocalyptic number.

117890777849183 is a deficient number, since it is larger than the sum of its proper divisors (1).

117890777849183 is an equidigital number, since it uses as much as digits as its factorization.

117890777849183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1194891264, while the sum is 80.

The spelling of 117890777849183 in words is "one hundred seventeen trillion, eight hundred ninety billion, seven hundred seventy-seven million, eight hundred forty-nine thousand, one hundred eighty-three".