68812506882 has 40 divisors (see below), whose sum is σ = 176218274496. Its totient is φ = 19660715928.

The previous prime is 68812506881. The next prime is 68812506941. The reversal of 68812506882 is 28860521886.

It is a happy number.

It is a super-2 number, since 2×68812506882² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (68812506881) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30339478 + ... + 30341745.

Almost surely, 2^68812506882 is an apocalyptic number.

68812506882 is an abundant number, since it is smaller than the sum of its proper divisors (107405767614).

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

68812506882 is a wasteful number, since it uses less digits than its factorization.

68812506882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60681244 (or 60681235 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 54.

The spelling of 68812506882 in words is "sixty-eight billion, eight hundred twelve million, five hundred six thousand, eight hundred eighty-two".