679039104 has 64 divisors (see below), whose sum is σ = 1830687840. Its totient is φ = 222959616.

The previous prime is 679039087. The next prime is 679039169. The reversal of 679039104 is 401930976.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×679039104² = 922188209522245632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12532 + ... + 38924.

Almost surely, 2^679039104 is an apocalyptic number.

679039104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679039104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (915343920).

679039104 is an abundant number, since it is smaller than the sum of its proper divisors (1151648736).

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

679039104 is a wasteful number, since it uses less digits than its factorization.

679039104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26477 (or 26465 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 679039104 is about 26058.3787676824. The cubic root of 679039104 is about 878.9515336816.

The spelling of 679039104 in words is "six hundred seventy-nine million, thirty-nine thousand, one hundred four".