117672870 has 128 divisors (see below), whose sum is σ = 336752640. Its totient is φ = 25758720.

The previous prime is 117672859. The next prime is 117672881. The reversal of 117672870 is 78276711.

It is an interprime number because it is at equal distance from previous prime (117672859) and next prime (117672881).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 680104 + ... + 680276.

It is an arithmetic number, because the mean of its divisors is an integer number (2630880).

Almost surely, 2^117672870 is an apocalyptic number.

117672870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117672870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168376320).

117672870 is an abundant number, since it is smaller than the sum of its proper divisors (219079770).

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

117672870 is a wasteful number, since it uses less digits than its factorization.

117672870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310.

The product of its (nonzero) digits is 32928, while the sum is 39.

The square root of 117672870 is about 10847.7126621238. The cubic root of 117672870 is about 490.0331367289.

The spelling of 117672870 in words is "one hundred seventeen million, six hundred seventy-two thousand, eight hundred seventy".