117887132 has 12 divisors (see below), whose sum is σ = 225057336. Its totient is φ = 53585040.

The previous prime is 117887131. The next prime is 117887149. The reversal of 117887132 is 231788711.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117887131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1339583 + ... + 1339670.

It is an arithmetic number, because the mean of its divisors is an integer number (18754778).

Almost surely, 2^117887132 is an apocalyptic number.

It is an amenable number.

117887132 is a deficient number, since it is larger than the sum of its proper divisors (107170204).

117887132 is a wasteful number, since it uses less digits than its factorization.

117887132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2679268 (or 2679266 counting only the distinct ones).

The product of its digits is 18816, while the sum is 38.

The square root of 117887132 is about 10857.5840775009. The cubic root of 117887132 is about 490.3303783336.

The spelling of 117887132 in words is "one hundred seventeen million, eight hundred eighty-seven thousand, one hundred thirty-two".