679654753 has 2 divisors, whose sum is σ = 679654754. Its totient is φ = 679654752.

The previous prime is 679654699. The next prime is 679654793. The reversal of 679654753 is 357456976.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 677717089 + 1937664 = 26033^2 + 1392^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-679654753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 679654753.

It is not a weakly prime, because it can be changed into another prime (679654793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339827376 + 339827377.

It is an arithmetic number, because the mean of its divisors is an integer number (339827377).

Almost surely, 2^679654753 is an apocalyptic number.

It is an amenable number.

679654753 is a deficient number, since it is larger than the sum of its proper divisors (1).

679654753 is an equidigital number, since it uses as much as digits as its factorization.

679654753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4762800, while the sum is 52.

The square root of 679654753 is about 26070.1889713136. The cubic root of 679654753 is about 879.2170864680.

The spelling of 679654753 in words is "six hundred seventy-nine million, six hundred fifty-four thousand, seven hundred fifty-three".