87297863968260 has 72 divisors (see below), whose sum is σ = 288876568046976. Its totient is φ = 21163118537280.

The previous prime is 87297863968253. The next prime is 87297863968283. The reversal of 87297863968260 is 6286936879278.

87297863968260 is a `hidden beast` number, since 8 + 7 + 2 + 97 + 8 + 6 + 396 + 82 + 60 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 87297863968260.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22044913164 + ... + 22044917123.

It is an arithmetic number, because the mean of its divisors is an integer number (4012174556208).

Almost surely, 2^{87297863968260} is an apocalyptic number.

It is an amenable number.

87297863968260 is an abundant number, since it is smaller than the sum of its proper divisors (201578704078716).

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

87297863968260 is a wasteful number, since it uses less digits than its factorization.

87297863968260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44089830313 (or 44089830308 counting only the distinct ones).

The product of its (nonzero) digits is 5267275776, while the sum is 81.

The spelling of 87297863968260 in words is "eighty-seven trillion, two hundred ninety-seven billion, eight hundred sixty-three million, nine hundred sixty-eight thousand, two hundred sixty".