679772496 has 80 divisors (see below), whose sum is σ = 1917196736. Its totient is φ = 206281728.

The previous prime is 679772479. The next prime is 679772503. The reversal of 679772496 is 694277976.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38091 + ... + 53013.

Almost surely, 2^679772496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679772496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (958598368).

679772496 is an abundant number, since it is smaller than the sum of its proper divisors (1237424240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

679772496 is a wasteful number, since it uses less digits than its factorization.

679772496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15020 (or 15014 counting only the distinct ones).

The product of its digits is 8001504, while the sum is 57.

The square root of 679772496 is about 26072.4470658203. The cubic root of 679772496 is about 879.2678552245.

The spelling of 679772496 in words is "six hundred seventy-nine million, seven hundred seventy-two thousand, four hundred ninety-six".