68771852331 has 32 divisors (see below), whose sum is σ = 113005014528. Its totient is φ = 36227485440.

The previous prime is 68771852327. The next prime is 68771852353. The reversal of 68771852331 is 13325817786.

It is not a de Polignac number, because 68771852331 - 2² = 68771852327 is a prime.

It is a super-2 number, since 2×68771852331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68771852321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42240 + ... + 373266.

It is an arithmetic number, because the mean of its divisors is an integer number (3531406704).

Almost surely, 2^68771852331 is an apocalyptic number.

68771852331 is a deficient number, since it is larger than the sum of its proper divisors (44233162197).

68771852331 is a wasteful number, since it uses less digits than its factorization.

68771852331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331811.

The product of its digits is 1693440, while the sum is 51.

The spelling of 68771852331 in words is "sixty-eight billion, seven hundred seventy-one million, eight hundred fifty-two thousand, three hundred thirty-one".