117623916 has 36 divisors (see below), whose sum is σ = 304582824. Its totient is φ = 38251200.

The previous prime is 117623899. The next prime is 117623917. The reversal of 117623916 is 619326711.

117623916 is a `hidden beast` number, since 1 + 17 + 623 + 9 + 16 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (117623917) 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, 38370 + ... + 41321.

It is an arithmetic number, because the mean of its divisors is an integer number (8460634).

Almost surely, 2^117623916 is an apocalyptic number.

It is an amenable number.

117623916 is an abundant number, since it is smaller than the sum of its proper divisors (186958908).

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

117623916 is a wasteful number, since it uses less digits than its factorization.

117623916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79742 (or 79737 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 117623916 is about 10845.4560070105. The cubic root of 117623916 is about 489.9651731460.

The spelling of 117623916 in words is "one hundred seventeen million, six hundred twenty-three thousand, nine hundred sixteen".