679794081 has 8 divisors (see below), whose sum is σ = 930889344. Its totient is φ = 440947440.

The previous prime is 679794077. The next prime is 679794083. The reversal of 679794081 is 180497976.

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

It is not a de Polignac number, because 679794081 - 2² = 679794077 is a prime.

It is a super-2 number, since 2×679794081² = 924239985125269122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (679794083) 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, 3062025 + ... + 3062246.

It is an arithmetic number, because the mean of its divisors is an integer number (116361168).

Almost surely, 2^679794081 is an apocalyptic number.

It is an amenable number.

679794081 is a deficient number, since it is larger than the sum of its proper divisors (251095263).

679794081 is a wasteful number, since it uses less digits than its factorization.

679794081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6124311.

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 679794081 is about 26072.8610052675. The cubic root of 679794081 is about 879.2771616693.

The spelling of 679794081 in words is "six hundred seventy-nine million, seven hundred ninety-four thousand, eighty-one".