679620951 has 48 divisors (see below), whose sum is σ = 1092648960. Its totient is φ = 404870400.

The previous prime is 679620923. The next prime is 679620959. The reversal of 679620951 is 159026976.

It is a happy number.

It is not a de Polignac number, because 679620951 - 2¹⁵ = 679588183 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 679620897 and 679620906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679620959) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 530730 + ... + 532008.

It is an arithmetic number, because the mean of its divisors is an integer number (22763520).

Almost surely, 2^679620951 is an apocalyptic number.

679620951 is a deficient number, since it is larger than the sum of its proper divisors (413028009).

679620951 is a wasteful number, since it uses less digits than its factorization.

679620951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476 (or 1473 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 679620951 is about 26069.5406748949. The cubic root of 679620951 is about 879.2025105437.

The spelling of 679620951 in words is "six hundred seventy-nine million, six hundred twenty thousand, nine hundred fifty-one".