679527379 has 2 divisors, whose sum is σ = 679527380. Its totient is φ = 679527378.

The previous prime is 679527337. The next prime is 679527403. The reversal of 679527379 is 973725976.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 679527379 - 2¹³ = 679519187 is a prime.

It is not a weakly prime, because it can be changed into another prime (679527319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339763689 + 339763690.

It is an arithmetic number, because the mean of its divisors is an integer number (339763690).

Almost surely, 2^679527379 is an apocalyptic number.

679527379 is a deficient number, since it is larger than the sum of its proper divisors (1).

679527379 is an equidigital number, since it uses as much as digits as its factorization.

679527379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5000940, while the sum is 55.

The square root of 679527379 is about 26067.7459516545. The cubic root of 679527379 is about 879.1621583870.

The spelling of 679527379 in words is "six hundred seventy-nine million, five hundred twenty-seven thousand, three hundred seventy-nine".