87468918 has 16 divisors (see below), whose sum is σ = 180581376. Its totient is φ = 28215720.

The previous prime is 87468911. The next prime is 87468967. The reversal of 87468918 is 81986478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87468911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234946 + ... + 235317.

It is an arithmetic number, because the mean of its divisors is an integer number (11286336).

Almost surely, 2^87468918 is an apocalyptic number.

87468918 is an abundant number, since it is smaller than the sum of its proper divisors (93112458).

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

87468918 is a wasteful number, since it uses less digits than its factorization.

87468918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470299.

The product of its digits is 774144, while the sum is 51.

The square root of 87468918 is about 9352.4819165824. The cubic root of 87468918 is about 443.8994273463.

The spelling of 87468918 in words is "eighty-seven million, four hundred sixty-eight thousand, nine hundred eighteen".