689315795 has 16 divisors (see below), whose sum is σ = 947229120. Its totient is φ = 471732864.

The previous prime is 689315791. The next prime is 689315807. The reversal of 689315795 is 597513986.

It is a cyclic number.

It is not a de Polignac number, because 689315795 - 2² = 689315791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (689315791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1532 + ... + 37161.

It is an arithmetic number, because the mean of its divisors is an integer number (59201820).

Almost surely, 2^689315795 is an apocalyptic number.

689315795 is a deficient number, since it is larger than the sum of its proper divisors (257913325).

689315795 is a wasteful number, since it uses less digits than its factorization.

689315795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39214.

The product of its digits is 2041200, while the sum is 53.

The square root of 689315795 is about 26254.8242233689. The cubic root of 689315795 is about 883.3634175902.

The spelling of 689315795 in words is "six hundred eighty-nine million, three hundred fifteen thousand, seven hundred ninety-five".