87518044 has 12 divisors (see below), whose sum is σ = 153363168. Its totient is φ = 43700000.

The previous prime is 87517979. The next prime is 87518051. The reversal of 87518044 is 44081578.

It is a junction number, because it is equal to n+sod(n) for n = 87517994 and 87518012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11332 + ... + 17419.

It is an arithmetic number, because the mean of its divisors is an integer number (12780264).

Almost surely, 2^87518044 is an apocalyptic number.

It is an amenable number.

87518044 is a deficient number, since it is larger than the sum of its proper divisors (65845124).

87518044 is a wasteful number, since it uses less digits than its factorization.

87518044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29516 (or 29514 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 87518044 is about 9355.1079095861. The cubic root of 87518044 is about 443.9825156116.

The spelling of 87518044 in words is "eighty-seven million, five hundred eighteen thousand, forty-four".