87387118 has 64 divisors (see below), whose sum is σ = 174666240. Its totient is φ = 31819392.

The previous prime is 87387103. The next prime is 87387149. The reversal of 87387118 is 81178378.

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 (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127605 + ... + 128287.

It is an arithmetic number, because the mean of its divisors is an integer number (2729160).

Almost surely, 2^87387118 is an apocalyptic number.

87387118 is a deficient number, since it is larger than the sum of its proper divisors (87279122).

87387118 is a wasteful number, since it uses less digits than its factorization.

87387118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761.

The product of its digits is 75264, while the sum is 43.

The square root of 87387118 is about 9348.1077229566. The cubic root of 87387118 is about 443.7610075164.

The spelling of 87387118 in words is "eighty-seven million, three hundred eighty-seven thousand, one hundred eighteen".