87466878 has 32 divisors (see below), whose sum is σ = 196780320. Its totient is φ = 29154168.

The previous prime is 87466867. The next prime is 87466889. The reversal of 87466878 is 87866478.

It is an interprime number because it is at equal distance from previous prime (87466867) and next prime (87466889).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5625 + ... + 14372.

It is an arithmetic number, because the mean of its divisors is an integer number (6149385).

Almost surely, 2^87466878 is an apocalyptic number.

87466878 is an abundant number, since it is smaller than the sum of its proper divisors (109313442).

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

87466878 is an equidigital number, since it uses as much as digits as its factorization.

87466878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20020 (or 20002 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The square root of 87466878 is about 9352.3728539874. The cubic root of 87466878 is about 443.8959763609.

The spelling of 87466878 in words is "eighty-seven million, four hundred sixty-six thousand, eight hundred seventy-eight".