63679379 has 2 divisors, whose sum is σ = 63679380. Its totient is φ = 63679378.

The previous prime is 63679367. The next prime is 63679409. The reversal of 63679379 is 97397636.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63679379 - 2⁸ = 63679123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63679339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31839689 + 31839690.

It is an arithmetic number, because the mean of its divisors is an integer number (31839690).

Almost surely, 2^63679379 is an apocalyptic number.

63679379 is a deficient number, since it is larger than the sum of its proper divisors (1).

63679379 is an equidigital number, since it uses as much as digits as its factorization.

63679379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1285956, while the sum is 50.

The square root of 63679379 is about 7979.9360273125. The cubic root of 63679379 is about 399.3309210407.

The spelling of 63679379 in words is "sixty-three million, six hundred seventy-nine thousand, three hundred seventy-nine".