979658747 has 2 divisors, whose sum is σ = 979658748. Its totient is φ = 979658746.

The previous prime is 979658717. The next prime is 979658761. The reversal of 979658747 is 747856979.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 979658747 - 2²⁴ = 962881531 is a prime.

It is a super-2 number, since 2×979658747² = 1919462521147220018, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 979658747.

It is not a weakly prime, because it can be changed into another prime (979658707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489829373 + 489829374.

It is an arithmetic number, because the mean of its divisors is an integer number (489829374).

Almost surely, 2^979658747 is an apocalyptic number.

979658747 is a deficient number, since it is larger than the sum of its proper divisors (1).

979658747 is an equidigital number, since it uses as much as digits as its factorization.

979658747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26671680, while the sum is 62.

The square root of 979658747 is about 31299.5007468170. The cubic root of 979658747 is about 993.1730815785.

The spelling of 979658747 in words is "nine hundred seventy-nine million, six hundred fifty-eight thousand, seven hundred forty-seven".