679278495 has 32 divisors (see below), whose sum is σ = 1260661248. Its totient is φ = 305889408.

The previous prime is 679278491. The next prime is 679278497. The reversal of 679278495 is 594872976.

It is not a de Polignac number, because 679278495 - 2² = 679278491 is a prime.

It is a super-2 number, since 2×679278495² = 922838547538930050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679278491) 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, 41244 + ... + 55313.

It is an arithmetic number, because the mean of its divisors is an integer number (39395664).

Almost surely, 2^679278495 is an apocalyptic number.

679278495 is a deficient number, since it is larger than the sum of its proper divisors (581382753).

679278495 is a wasteful number, since it uses less digits than its factorization.

679278495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96639.

The product of its digits is 7620480, while the sum is 57.

The square root of 679278495 is about 26062.9717223497. The cubic root of 679278495 is about 879.0548111726.

The spelling of 679278495 in words is "six hundred seventy-nine million, two hundred seventy-eight thousand, four hundred ninety-five".