87678375526868 has 12 divisors (see below), whose sum is σ = 175356751053792. Its totient is φ = 37576446654360.

The previous prime is 87678375526867. The next prime is 87678375526967. The reversal of 87678375526868 is 86862557387678.

87678375526868 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 87678375526868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87678375526867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565685277238 + ... + 1565685277293.

It is an arithmetic number, because the mean of its divisors is an integer number (14613062587816).

Almost surely, 2^{87678375526868} is an apocalyptic number.

It is an amenable number.

87678375526868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87678375526868 is a wasteful number, since it uses less digits than its factorization.

87678375526868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131370554542 (or 3131370554540 counting only the distinct ones).

The product of its digits is 45519667200, while the sum is 86.

The spelling of 87678375526868 in words is "eighty-seven trillion, six hundred seventy-eight billion, three hundred seventy-five million, five hundred twenty-six thousand, eight hundred sixty-eight".