87966699351245 has 128 divisors (see below), whose sum is σ = 129069787004928. Its totient is φ = 56695659955200.

The previous prime is 87966699351203. The next prime is 87966699351257. The reversal of 87966699351245 is 54215399666978.

It is a de Polignac number, because none of the positive numbers 2^k-87966699351245 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87966699351245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2788770944 + ... + 2788802486.

It is an arithmetic number, because the mean of its divisors is an integer number (1008357710976).

Almost surely, 2^{87966699351245} is an apocalyptic number.

It is an amenable number.

87966699351245 is a deficient number, since it is larger than the sum of its proper divisors (41103087653683).

87966699351245 is a wasteful number, since it uses less digits than its factorization.

87966699351245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33163.

The product of its digits is 5290790400, while the sum is 80.

The spelling of 87966699351245 in words is "eighty-seven trillion, nine hundred sixty-six billion, six hundred ninety-nine million, three hundred fifty-one thousand, two hundred forty-five".