115987480 has 32 divisors (see below), whose sum is σ = 298254240. Its totient is φ = 39767040.

The previous prime is 115987453. The next prime is 115987499. The reversal of 115987480 is 84789511.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 206841 + ... + 207400.

It is an arithmetic number, because the mean of its divisors is an integer number (9320445).

Almost surely, 2^115987480 is an apocalyptic number.

115987480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115987480 is an abundant number, since it is smaller than the sum of its proper divisors (182266760).

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

115987480 is a wasteful number, since it uses less digits than its factorization.

115987480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414259 (or 414255 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 115987480 is about 10769.7483721766. The cubic root of 115987480 is about 487.6823494913.

The spelling of 115987480 in words is "one hundred fifteen million, nine hundred eighty-seven thousand, four hundred eighty".