87520894 has 16 divisors (see below), whose sum is σ = 134091648. Its totient is φ = 42832152.

The previous prime is 87520883. The next prime is 87520903. The reversal of 87520894 is 49802578.

It is a self number, because there is not a number n which added to its sum of digits gives 87520894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19839 + ... + 23845.

It is an arithmetic number, because the mean of its divisors is an integer number (8380728).

Almost surely, 2^87520894 is an apocalyptic number.

87520894 is a deficient number, since it is larger than the sum of its proper divisors (46570754).

87520894 is a wasteful number, since it uses less digits than its factorization.

87520894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 87520894 is about 9355.2602315489. The cubic root of 87520894 is about 443.9873349470.

The spelling of 87520894 in words is "eighty-seven million, five hundred twenty thousand, eight hundred ninety-four".