87934320 has 60 divisors (see below), whose sum is σ = 295315176. Its totient is φ = 23448960.

The previous prime is 87934307. The next prime is 87934339. The reversal of 87934320 is 2343978.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60346 + ... + 61785.

Almost surely, 2^87934320 is an apocalyptic number.

87934320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87934320 is an abundant number, since it is smaller than the sum of its proper divisors (207380856).

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

87934320 is a wasteful number, since it uses less digits than its factorization.

87934320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122150 (or 122141 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 87934320 is about 9377.3301104312. The cubic root of 87934320 is about 444.6853307138.

The spelling of 87934320 in words is "eighty-seven million, nine hundred thirty-four thousand, three hundred twenty".