117798765 has 64 divisors (see below), whose sum is σ = 228925440. Its totient is φ = 50526720.

The previous prime is 117798757. The next prime is 117798799. The reversal of 117798765 is 567897711.

It is not a de Polignac number, because 117798765 - 2³ = 117798757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 273100 + ... + 273530.

It is an arithmetic number, because the mean of its divisors is an integer number (3576960).

Almost surely, 2^117798765 is an apocalyptic number.

117798765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117798765 is a deficient number, since it is larger than the sum of its proper divisors (111126675).

117798765 is a wasteful number, since it uses less digits than its factorization.

117798765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602.

The product of its digits is 740880, while the sum is 51.

The square root of 117798765 is about 10853.5139471049. The cubic root of 117798765 is about 490.2078321471.

The spelling of 117798765 in words is "one hundred seventeen million, seven hundred ninety-eight thousand, seven hundred sixty-five".