117648872 has 16 divisors (see below), whose sum is σ = 240645600. Its totient is φ = 53476720.

The previous prime is 117648859. The next prime is 117648889. The reversal of 117648872 is 278846711.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668372 + ... + 668547.

It is an arithmetic number, because the mean of its divisors is an integer number (15040350).

Almost surely, 2^117648872 is an apocalyptic number.

It is an amenable number.

117648872 is an abundant number, since it is smaller than the sum of its proper divisors (122996728).

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

117648872 is a wasteful number, since it uses less digits than its factorization.

117648872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336936 (or 1336932 counting only the distinct ones).

The product of its digits is 150528, while the sum is 44.

The square root of 117648872 is about 10846.6064739162. The cubic root of 117648872 is about 489.9998222962. Note that the first 3 decimals are identical.

The spelling of 117648872 in words is "one hundred seventeen million, six hundred forty-eight thousand, eight hundred seventy-two".