117637982 has 16 divisors (see below), whose sum is σ = 219998592. Its totient is φ = 45832920.

The previous prime is 117637969. The next prime is 117637999. The reversal of 117637982 is 289736711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381788 + ... + 382095.

It is an arithmetic number, because the mean of its divisors is an integer number (13749912).

Almost surely, 2^117637982 is an apocalyptic number.

117637982 is a deficient number, since it is larger than the sum of its proper divisors (102360610).

117637982 is a wasteful number, since it uses less digits than its factorization.

117637982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763903.

The product of its digits is 127008, while the sum is 44.

The square root of 117637982 is about 10846.1044619716. The cubic root of 117637982 is about 489.9847031182.

The spelling of 117637982 in words is "one hundred seventeen million, six hundred thirty-seven thousand, nine hundred eighty-two".