679298255 has 4 divisors (see below), whose sum is σ = 815157912. Its totient is φ = 543438600.

The previous prime is 679298231. The next prime is 679298299. The reversal of 679298255 is 552892976.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 679298255 - 2¹⁰ = 679297231 is a prime.

It is a super-2 number, since 2×679298255² = 922892238492090050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 679298197 and 679298206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67929821 + ... + 67929830.

It is an arithmetic number, because the mean of its divisors is an integer number (203789478).

Almost surely, 2^679298255 is an apocalyptic number.

679298255 is a deficient number, since it is larger than the sum of its proper divisors (135859657).

679298255 is a wasteful number, since it uses less digits than its factorization.

679298255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135859656.

The product of its digits is 2721600, while the sum is 53.

The square root of 679298255 is about 26063.3508014607. The cubic root of 679298255 is about 879.0633349002.

The spelling of 679298255 in words is "six hundred seventy-nine million, two hundred ninety-eight thousand, two hundred fifty-five".