87380156 has 24 divisors (see below), whose sum is σ = 154795200. Its totient is φ = 43156800.

The previous prime is 87380147. The next prime is 87380173. The reversal of 87380156 is 65108378.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 161246 + ... + 161786.

It is an arithmetic number, because the mean of its divisors is an integer number (6449800).

Almost surely, 2^87380156 is an apocalyptic number.

It is an amenable number.

87380156 is a deficient number, since it is larger than the sum of its proper divisors (67415044).

87380156 is a wasteful number, since it uses less digits than its factorization.

87380156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 87380156 is about 9347.7353407122. The cubic root of 87380156 is about 443.7492226132.

The spelling of 87380156 in words is "eighty-seven million, three hundred eighty thousand, one hundred fifty-six".