87070364525 has 12 divisors (see below), whose sum is σ = 109737208884. Its totient is φ = 68514384000.

The previous prime is 87070364503. The next prime is 87070364539. The reversal of 87070364525 is 52546307078.

It can be written as a sum of positive squares in 6 ways, for example, as 14766381289 + 72303983236 = 121517^2 + 268894^2 .

It is a de Polignac number, because none of the positive numbers 2^k-87070364525 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87070364525.

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, 28546136 + ... + 28549185.

It is an arithmetic number, because the mean of its divisors is an integer number (9144767407).

Almost surely, 2^87070364525 is an apocalyptic number.

It is an amenable number.

87070364525 is a deficient number, since it is larger than the sum of its proper divisors (22666844359).

87070364525 is a wasteful number, since it uses less digits than its factorization.

87070364525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57095392 (or 57095387 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 87070364525 in words is "eighty-seven billion, seventy million, three hundred sixty-four thousand, five hundred twenty-five".