87828904 has 32 divisors (see below), whose sum is σ = 172782720. Its totient is φ = 41774656.

The previous prime is 87828901. The next prime is 87828943. The reversal of 87828904 is 40982878.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (87828901) 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, 35037 + ... + 37459.

It is an arithmetic number, because the mean of its divisors is an integer number (5399460).

Almost surely, 2^87828904 is an apocalyptic number.

It is an amenable number.

87828904 is a deficient number, since it is larger than the sum of its proper divisors (84953816).

87828904 is a wasteful number, since it uses less digits than its factorization.

87828904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649 (or 2645 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 87828904 is about 9371.7076352178. The cubic root of 87828904 is about 444.5075628320.

The spelling of 87828904 in words is "eighty-seven million, eight hundred twenty-eight thousand, nine hundred four".