979502947 has 2 divisors, whose sum is σ = 979502948. Its totient is φ = 979502946.

The previous prime is 979502933. The next prime is 979502963. The reversal of 979502947 is 749205979.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 979502947 - 2¹⁹ = 978978659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 979502894 and 979502903.

It is not a weakly prime, because it can be changed into another prime (979502917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489751473 + 489751474.

It is an arithmetic number, because the mean of its divisors is an integer number (489751474).

Almost surely, 2^979502947 is an apocalyptic number.

979502947 is a deficient number, since it is larger than the sum of its proper divisors (1).

979502947 is an equidigital number, since it uses as much as digits as its factorization.

979502947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The square root of 979502947 is about 31297.0117902652. The cubic root of 979502947 is about 993.1204290366.

The spelling of 979502947 in words is "nine hundred seventy-nine million, five hundred two thousand, nine hundred forty-seven".