679210056 has 128 divisors (see below), whose sum is σ = 2250086400. Its totient is φ = 185613120.

The previous prime is 679210013. The next prime is 679210087. The reversal of 679210056 is 650012976.

679210056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×679210056² = 922652600343046272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 679210056.

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, 25011 + ... + 44541.

It is an arithmetic number, because the mean of its divisors is an integer number (17578800).

Almost surely, 2^679210056 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 679210056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1125043200).

679210056 is an abundant number, since it is smaller than the sum of its proper divisors (1570876344).

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

679210056 is a wasteful number, since it uses less digits than its factorization.

679210056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19576 (or 19566 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 679210056 is about 26061.6587346239. The cubic root of 679210056 is about 879.0252878606.

The spelling of 679210056 in words is "six hundred seventy-nine million, two hundred ten thousand, fifty-six".