679520607 has 8 divisors (see below), whose sum is σ = 916207920. Its totient is φ = 447923520.

The previous prime is 679520603. The next prime is 679520657. The reversal of 679520607 is 706025976.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 679520607 - 2² = 679520603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679520603) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1272244 + ... + 1272777.

It is an arithmetic number, because the mean of its divisors is an integer number (114525990).

Almost surely, 2^679520607 is an apocalyptic number.

679520607 is a deficient number, since it is larger than the sum of its proper divisors (236687313).

679520607 is a wasteful number, since it uses less digits than its factorization.

679520607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545113.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 679520607 is about 26067.6160590108. The cubic root of 679520607 is about 879.1592378739.

The spelling of 679520607 in words is "six hundred seventy-nine million, five hundred twenty thousand, six hundred seven".