68868612771 has 8 divisors (see below), whose sum is σ = 104942648064. Its totient is φ = 39353493000.

The previous prime is 68868612737. The next prime is 68868612793. The reversal of 68868612771 is 17721686886.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68868612771 - 2²³ = 68860224163 is a prime.

It is a super-3 number, since 3×68868612771³ (a number of 33 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (68868612271) 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, 1639728855 + ... + 1639728896.

It is an arithmetic number, because the mean of its divisors is an integer number (13117831008).

Almost surely, 2^68868612771 is an apocalyptic number.

68868612771 is a deficient number, since it is larger than the sum of its proper divisors (36074035293).

68868612771 is a wasteful number, since it uses less digits than its factorization.

68868612771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279457761.

The product of its digits is 10838016, while the sum is 60.

The spelling of 68868612771 in words is "sixty-eight billion, eight hundred sixty-eight million, six hundred twelve thousand, seven hundred seventy-one".