117577836 has 36 divisors (see below), whose sum is σ = 298177152. Its totient is φ = 39065184.

The previous prime is 117577813. The next prime is 117577843. The reversal of 117577836 is 638775711.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 117577791 and 117577800.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6261 + ... + 16563.

Almost surely, 2^117577836 is an apocalyptic number.

It is an amenable number.

117577836 is an abundant number, since it is smaller than the sum of its proper divisors (180599316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117577836 is a wasteful number, since it uses less digits than its factorization.

117577836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10630 (or 10625 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The square root of 117577836 is about 10843.3314069063. The cubic root of 117577836 is about 489.9011823497.

The spelling of 117577836 in words is "one hundred seventeen million, five hundred seventy-seven thousand, eight hundred thirty-six".