87515704 has 8 divisors (see below), whose sum is σ = 164091960. Its totient is φ = 43757848.

The previous prime is 87515699. The next prime is 87515717. The reversal of 87515704 is 40751578.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 5469724 + ... + 5469739.

It is an arithmetic number, because the mean of its divisors is an integer number (20511495).

Almost surely, 2^87515704 is an apocalyptic number.

It is an amenable number.

87515704 is a deficient number, since it is larger than the sum of its proper divisors (76576256).

87515704 is a wasteful number, since it uses less digits than its factorization.

87515704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10939469 (or 10939465 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 87515704 is about 9354.9828433835. The cubic root of 87515704 is about 443.9785586053.

The spelling of 87515704 in words is "eighty-seven million, five hundred fifteen thousand, seven hundred four".