979957247 has 8 divisors (see below), whose sum is σ = 1016411232. Its totient is φ = 944028000.

The previous prime is 979957211. The next prime is 979957259. The reversal of 979957247 is 742759979.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 979957247 - 2¹⁶ = 979891711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979957267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127379 + ... + 134852.

It is an arithmetic number, because the mean of its divisors is an integer number (127051404).

Almost surely, 2^979957247 is an apocalyptic number.

979957247 is a deficient number, since it is larger than the sum of its proper divisors (36453985).

979957247 is a wasteful number, since it uses less digits than its factorization.

979957247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262369.

The product of its digits is 10001880, while the sum is 59.

The square root of 979957247 is about 31304.2688303049. The cubic root of 979957247 is about 993.2739439316.

The spelling of 979957247 in words is "nine hundred seventy-nine million, nine hundred fifty-seven thousand, two hundred forty-seven".