68313178052 has 24 divisors (see below), whose sum is σ = 136634042496. Its totient is φ = 29275429248.

The previous prime is 68313178051. The next prime is 68313178061. The reversal of 68313178052 is 25087131386.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68313177994 and 68313178012.

It is not an unprimeable number, because it can be changed into a prime (68313178051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529388 + ... + 645660.

It is an arithmetic number, because the mean of its divisors is an integer number (5693085104).

Almost surely, 2^68313178052 is an apocalyptic number.

It is an amenable number.

68313178052 is an abundant number, since it is smaller than the sum of its proper divisors (68320864444).

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

68313178052 is a wasteful number, since it uses less digits than its factorization.

68313178052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137267 (or 137265 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 68313178052 in words is "sixty-eight billion, three hundred thirteen million, one hundred seventy-eight thousand, fifty-two".