87163254768 has 40 divisors (see below), whose sum is σ = 227884664448. Its totient is φ = 28704363712.

The previous prime is 87163254751. The next prime is 87163254779. The reversal of 87163254768 is 86745236178.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10935180 + ... + 10943147.

Almost surely, 2^87163254768 is an apocalyptic number.

It is an amenable number.

87163254768 is an abundant number, since it is smaller than the sum of its proper divisors (140721409680).

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

87163254768 is a wasteful number, since it uses less digits than its factorization.

87163254768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21878421 (or 21878415 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 57.

The spelling of 87163254768 in words is "eighty-seven billion, one hundred sixty-three million, two hundred fifty-four thousand, seven hundred sixty-eight".