987178130 has 32 divisors (see below), whose sum is σ = 1863806976. Its totient is φ = 376017984.

The previous prime is 987178111. The next prime is 987178169. The reversal of 987178130 is 31871789.

987178130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10994 + ... + 45773.

It is an arithmetic number, because the mean of its divisors is an integer number (58243968).

Almost surely, 2^987178130 is an apocalyptic number.

987178130 is a deficient number, since it is larger than the sum of its proper divisors (876628846).

987178130 is a wasteful number, since it uses less digits than its factorization.

987178130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56858.

The product of its (nonzero) digits is 84672, while the sum is 44.

The square root of 987178130 is about 31419.3909870959. The cubic root of 987178130 is about 995.7076453864.

The spelling of 987178130 in words is "nine hundred eighty-seven million, one hundred seventy-eight thousand, one hundred thirty".