87399360 has 84 divisors (see below), whose sum is σ = 300627288. Its totient is φ = 23305728.

The previous prime is 87399307. The next prime is 87399383. The reversal of 87399360 is 6399378.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 12294 + ... + 18053.

Almost surely, 2^87399360 is an apocalyptic number.

87399360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87399360 is an abundant number, since it is smaller than the sum of its proper divisors (213227928).

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

87399360 is a wasteful number, since it uses less digits than its factorization.

87399360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30370 (or 30357 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 87399360 is about 9348.7624849495. The cubic root of 87399360 is about 443.7817286048.

The spelling of 87399360 in words is "eighty-seven million, three hundred ninety-nine thousand, three hundred sixty".