87268404 has 12 divisors (see below), whose sum is σ = 203626304. Its totient is φ = 29089464.

The previous prime is 87268403. The next prime is 87268409. The reversal of 87268404 is 40486278.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87268403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3636172 + ... + 3636195.

Almost surely, 2^87268404 is an apocalyptic number.

It is an amenable number.

87268404 is an abundant number, since it is smaller than the sum of its proper divisors (116357900).

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

87268404 is a wasteful number, since it uses less digits than its factorization.

87268404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7272374 (or 7272372 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 87268404 is about 9341.7559377239. The cubic root of 87268404 is about 443.5599690463.

The spelling of 87268404 in words is "eighty-seven million, two hundred sixty-eight thousand, four hundred four".