679898016 has 192 divisors, whose sum is σ = 2296627200. Its totient is φ = 191662848.

The previous prime is 679897997. The next prime is 679898029. The reversal of 679898016 is 610898976.

It is a super-2 number, since 2×679898016² = 924522624321472512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 477081 + ... + 478503.

It is an arithmetic number, because the mean of its divisors is an integer number (11961600).

Almost surely, 2^679898016 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 679898016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1148313600).

679898016 is an abundant number, since it is smaller than the sum of its proper divisors (1616729184).

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

679898016 is a wasteful number, since it uses less digits than its factorization.

679898016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528 (or 1514 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 679898016 is about 26074.8540935515. The cubic root of 679898016 is about 879.3219708340.

The spelling of 679898016 in words is "six hundred seventy-nine million, eight hundred ninety-eight thousand, sixteen".