679962693 has 4 divisors (see below), whose sum is σ = 906616928. Its totient is φ = 453308460.

The previous prime is 679962667. The next prime is 679962713. The reversal of 679962693 is 396269976.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 679962693 - 2¹⁰ = 679961669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679962193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113327113 + ... + 113327118.

It is an arithmetic number, because the mean of its divisors is an integer number (226654232).

Almost surely, 2^679962693 is an apocalyptic number.

It is an amenable number.

679962693 is a deficient number, since it is larger than the sum of its proper divisors (226654235).

679962693 is a wasteful number, since it uses less digits than its factorization.

679962693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226654234.

The product of its digits is 6613488, while the sum is 57.

The square root of 679962693 is about 26076.0942819280. The cubic root of 679962693 is about 879.3498525175.

The spelling of 679962693 in words is "six hundred seventy-nine million, nine hundred sixty-two thousand, six hundred ninety-three".