68796857 has 8 divisors (see below), whose sum is σ = 69647232. Its totient is φ = 67950000.

The previous prime is 68796851. The next prime is 68796859. The reversal of 68796857 is 75869786.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68796857 - 2⁸ = 68796601 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (68796851) 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, 75398 + ... + 76304.

It is an arithmetic number, because the mean of its divisors is an integer number (8705904).

Almost surely, 2^68796857 is an apocalyptic number.

It is an amenable number.

68796857 is a deficient number, since it is larger than the sum of its proper divisors (850375).

68796857 is a wasteful number, since it uses less digits than its factorization.

68796857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759.

The product of its digits is 5080320, while the sum is 56.

The square root of 68796857 is about 8294.3870780185. The cubic root of 68796857 is about 409.7536831021.

The spelling of 68796857 in words is "sixty-eight million, seven hundred ninety-six thousand, eight hundred fifty-seven".