979663039 has 2 divisors, whose sum is σ = 979663040. Its totient is φ = 979663038.

The previous prime is 979663033. The next prime is 979663049. The reversal of 979663039 is 930366979.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 979663039 - 2³ = 979663031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979663031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489831519 + 489831520.

It is an arithmetic number, because the mean of its divisors is an integer number (489831520).

Almost surely, 2^979663039 is an apocalyptic number.

979663039 is a deficient number, since it is larger than the sum of its proper divisors (1).

979663039 is an equidigital number, since it uses as much as digits as its factorization.

979663039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1653372, while the sum is 52.

The square root of 979663039 is about 31299.5693101359. The cubic root of 979663039 is about 993.1745319790.

The spelling of 979663039 in words is "nine hundred seventy-nine million, six hundred sixty-three thousand, thirty-nine".