679014205 has 4 divisors (see below), whose sum is σ = 814817052. Its totient is φ = 543211360.

The previous prime is 679014179. The next prime is 679014239. The reversal of 679014205 is 502410976.

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

It can be written as a sum of positive squares in 2 ways, for example, as 355661881 + 323352324 = 18859^2 + 17982^2 .

It is not a de Polignac number, because 679014205 - 2⁹ = 679013693 is a prime.

It is a super-2 number, since 2×679014205² = 922120581183564050, which contains 22 as substring.

It is a Duffinian number.

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, 67901416 + ... + 67901425.

It is an arithmetic number, because the mean of its divisors is an integer number (203704263).

Almost surely, 2^679014205 is an apocalyptic number.

It is an amenable number.

679014205 is a deficient number, since it is larger than the sum of its proper divisors (135802847).

679014205 is a wasteful number, since it uses less digits than its factorization.

679014205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135802846.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 679014205 is about 26057.9010090989. The cubic root of 679014205 is about 878.9407904212.

The spelling of 679014205 in words is "six hundred seventy-nine million, fourteen thousand, two hundred five".