679111776 has 180 divisors, whose sum is σ = 2323764828. Its totient is φ = 193995648.

The previous prime is 679111721. The next prime is 679111781. The reversal of 679111776 is 677111976.

It is a super-2 number, since 2×679111776² = 922385608603748352, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 124335 + ... + 129681.

Almost surely, 2^679111776 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 679111776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1161882414).

679111776 is an abundant number, since it is smaller than the sum of its proper divisors (1644653052).

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

679111776 is a wasteful number, since it uses less digits than its factorization.

679111776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5383 (or 5359 counting only the distinct ones).

The product of its digits is 111132, while the sum is 45.

The square root of 679111776 is about 26059.7731379227. The cubic root of 679111776 is about 878.9828882270.

The spelling of 679111776 in words is "six hundred seventy-nine million, one hundred eleven thousand, seven hundred seventy-six".