115671888 has 140 divisors (see below), whose sum is σ = 344793408. Its totient is φ = 37558080.

The previous prime is 115671869. The next prime is 115671929. The reversal of 115671888 is 888176511.

115671888 is a `hidden beast` number, since 1 + 1 + 567 + 1 + 8 + 88 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 548103 + ... + 548313.

Almost surely, 2^115671888 is an apocalyptic number.

115671888 is a gapful number since it is divisible by the number (18) 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 115671888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172396704).

115671888 is an abundant number, since it is smaller than the sum of its proper divisors (229121520).

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

115671888 is an equidigital number, since it uses as much as digits as its factorization.

115671888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 263 counting only the distinct ones).

The product of its digits is 107520, while the sum is 45.

The square root of 115671888 is about 10755.0866105299. The cubic root of 115671888 is about 487.2396337482.

The spelling of 115671888 in words is "one hundred fifteen million, six hundred seventy-one thousand, eight hundred eighty-eight".