115879860 has 144 divisors (see below), whose sum is σ = 382287360. Its totient is φ = 28304640.

The previous prime is 115879847. The next prime is 115879861. The reversal of 115879860 is 68978511.

115879860 is a `hidden beast` number, since 1 + 1 + 587 + 9 + 8 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115879861) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105474 + ... + 106566.

Almost surely, 2^115879860 is an apocalyptic number.

115879860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115879860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191143680).

115879860 is an abundant number, since it is smaller than the sum of its proper divisors (266407500).

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

115879860 is a wasteful number, since it uses less digits than its factorization.

115879860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The square root of 115879860 is about 10764.7508099352. The cubic root of 115879860 is about 487.5314693689.

It can be divided in two parts, 1158 and 79860, that added together give a palindrome (81018).

The spelling of 115879860 in words is "one hundred fifteen million, eight hundred seventy-nine thousand, eight hundred sixty".