117877215563 has 12 divisors (see below), whose sum is σ = 125357537448. Its totient is φ = 110820640320.

The previous prime is 117877215551. The next prime is 117877215581. The reversal of 117877215563 is 365512778711.

It is a happy number.

It is not a de Polignac number, because 117877215563 - 2¹⁸ = 117876953419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117877211563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1199006 + ... + 1293587.

It is an arithmetic number, because the mean of its divisors is an integer number (10446461454).

Almost surely, 2^117877215563 is an apocalyptic number.

117877215563 is a deficient number, since it is larger than the sum of its proper divisors (7480321885).

117877215563 is a wasteful number, since it uses less digits than its factorization.

117877215563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492762 (or 2492743 counting only the distinct ones).

The product of its digits is 2469600, while the sum is 53.

The spelling of 117877215563 in words is "one hundred seventeen billion, eight hundred seventy-seven million, two hundred fifteen thousand, five hundred sixty-three".