679092816 has 80 divisors (see below), whose sum is σ = 1798920576. Its totient is φ = 220666368.

The previous prime is 679092811. The next prime is 679092833. The reversal of 679092816 is 618290976.

It is a super-2 number, since 2×679092816² = 922334105485619712, 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 not an unprimeable number, because it can be changed into a prime (679092811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439341 + ... + 440883.

Almost surely, 2^679092816 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 679092816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899460288).

679092816 is an abundant number, since it is smaller than the sum of its proper divisors (1119827760).

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

679092816 is a wasteful number, since it uses less digits than its factorization.

679092816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780 (or 1774 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 679092816 is about 26059.4093563150. The cubic root of 679092816 is about 878.9747080956.

The spelling of 679092816 in words is "six hundred seventy-nine million, ninety-two thousand, eight hundred sixteen".