679247608 has 64 divisors (see below), whose sum is σ = 1425029760. Its totient is φ = 301504896.

The previous prime is 679247593. The next prime is 679247623. The reversal of 679247608 is 806742976.

It is an interprime number because it is at equal distance from previous prime (679247593) and next prime (679247623).

It is a super-2 number, since 2×679247608² = 922754625947443328, which contains 22 as substring.

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, 298491 + ... + 300757.

It is an arithmetic number, because the mean of its divisors is an integer number (22266090).

Almost surely, 2^679247608 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 679247608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712514880).

679247608 is an abundant number, since it is smaller than the sum of its proper divisors (745782152).

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

679247608 is a wasteful number, since it uses less digits than its factorization.

679247608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396 (or 2392 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 679247608 is about 26062.3791699837. The cubic root of 679247608 is about 879.0414873407.

The spelling of 679247608 in words is "six hundred seventy-nine million, two hundred forty-seven thousand, six hundred eight".