118858870 has 32 divisors (see below), whose sum is σ = 242534880. Its totient is φ = 41575680.

The previous prime is 118858847. The next prime is 118858879. The reversal of 118858870 is 78858811.

It is a self number, because there is not a number n which added to its sum of digits gives 118858870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118858879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21591 + ... + 26530.

It is an arithmetic number, because the mean of its divisors is an integer number (7579215).

Almost surely, 2^118858870 is an apocalyptic number.

118858870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118858870 is an abundant number, since it is smaller than the sum of its proper divisors (123676010).

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

118858870 is a wasteful number, since it uses less digits than its factorization.

118858870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48160.

The product of its (nonzero) digits is 143360, while the sum is 46.

The square root of 118858870 is about 10902.2415126432. The cubic root of 118858870 is about 491.6739500341.

The spelling of 118858870 in words is "one hundred eighteen million, eight hundred fifty-eight thousand, eight hundred seventy".