87518946 has 16 divisors (see below), whose sum is σ = 175611744. Its totient is φ = 29077344.

The previous prime is 87518927. The next prime is 87518971. The reversal of 87518946 is 64981578.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 87518895 and 87518904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21915 + ... + 25598.

It is an arithmetic number, because the mean of its divisors is an integer number (10975734).

Almost surely, 2^87518946 is an apocalyptic number.

87518946 is an abundant number, since it is smaller than the sum of its proper divisors (88092798).

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

87518946 is a wasteful number, since it uses less digits than its factorization.

87518946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47825.

The product of its digits is 483840, while the sum is 48.

The square root of 87518946 is about 9355.1561184194. The cubic root of 87518946 is about 443.9840409003.

The spelling of 87518946 in words is "eighty-seven million, five hundred eighteen thousand, nine hundred forty-six".