868722697 has 8 divisors (see below), whose sum is σ = 880387200. Its totient is φ = 857125584.

The previous prime is 868722683. The next prime is 868722707. The reversal of 868722697 is 796227868.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-868722697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868722677) 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, 9378 + ... + 42724.

It is an arithmetic number, because the mean of its divisors is an integer number (110048400).

Almost surely, 2^868722697 is an apocalyptic number.

It is an amenable number.

868722697 is a deficient number, since it is larger than the sum of its proper divisors (11664503).

868722697 is a wasteful number, since it uses less digits than its factorization.

868722697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33695.

The product of its digits is 4064256, while the sum is 55.

The square root of 868722697 is about 29474.1021406929. The cubic root of 868722697 is about 954.1728525023.

The spelling of 868722697 in words is "eight hundred sixty-eight million, seven hundred twenty-two thousand, six hundred ninety-seven".