87507856 has 20 divisors (see below), whose sum is σ = 172422000. Its totient is φ = 43011872.

The previous prime is 87507851. The next prime is 87507859. The reversal of 87507856 is 65870578.

It is not an unprimeable number, because it can be changed into a prime (87507851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45406 + ... + 47293.

It is an arithmetic number, because the mean of its divisors is an integer number (8621100).

Almost surely, 2^87507856 is an apocalyptic number.

It is an amenable number.

87507856 is a deficient number, since it is larger than the sum of its proper divisors (84914144).

87507856 is a wasteful number, since it uses less digits than its factorization.

87507856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92766 (or 92760 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 46.

The square root of 87507856 is about 9354.5633783731. The cubic root of 87507856 is about 443.9652869000.

The spelling of 87507856 in words is "eighty-seven million, five hundred seven thousand, eight hundred fifty-six".