679421358 has 240 divisors, whose sum is σ = 2002226688. Its totient is φ = 170100000.

The previous prime is 679421333. The next prime is 679421381. The reversal of 679421358 is 853124976.

It is a super-2 number, since 2×679421358² = 923226763413128328, which contains 22 as substring.

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2706733 + ... + 2706983.

Almost surely, 2^679421358 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679421358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1001113344).

679421358 is an abundant number, since it is smaller than the sum of its proper divisors (1322805330).

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

679421358 is a wasteful number, since it uses less digits than its factorization.

679421358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 305 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 679421358 is about 26065.7123056325. The cubic root of 679421358 is about 879.1164332247.

The spelling of 679421358 in words is "six hundred seventy-nine million, four hundred twenty-one thousand, three hundred fifty-eight".