979951497 has 8 divisors (see below), whose sum is σ = 1493259456. Its totient is φ = 559972272.

The previous prime is 979951493. The next prime is 979951507. The reversal of 979951497 is 794159979.

It is a happy number.

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

It is not a de Polignac number, because 979951497 - 2² = 979951493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 979951497.

It is not an unprimeable number, because it can be changed into a prime (979951493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23332158 + ... + 23332199.

It is an arithmetic number, because the mean of its divisors is an integer number (186657432).

Almost surely, 2^979951497 is an apocalyptic number.

It is an amenable number.

979951497 is a deficient number, since it is larger than the sum of its proper divisors (513307959).

979951497 is a wasteful number, since it uses less digits than its factorization.

979951497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46664367.

The product of its digits is 6429780, while the sum is 60.

The square root of 979951497 is about 31304.1769896607. The cubic root of 979951497 is about 993.2720012155.

The spelling of 979951497 in words is "nine hundred seventy-nine million, nine hundred fifty-one thousand, four hundred ninety-seven".