679183680 has 224 divisors, whose sum is σ = 2481315840. Its totient is φ = 154183680.

The previous prime is 679183663. The next prime is 679183693. The reversal of 679183680 is 86381976.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×679183680² = 922580942356684800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1417681 + ... + 1418159.

Almost surely, 2^679183680 is an apocalyptic number.

679183680 is a gapful number since it is divisible by the number (60) 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 679183680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1240657920).

679183680 is an abundant number, since it is smaller than the sum of its proper divisors (1802132160).

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

679183680 is a wasteful number, since it uses less digits than its factorization.

679183680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 679183680 is about 26061.1526989886. The cubic root of 679183680 is about 879.0139092152.

The spelling of 679183680 in words is "six hundred seventy-nine million, one hundred eighty-three thousand, six hundred eighty".