979646428807 has 8 divisors (see below), whose sum is σ = 988839209232. Its totient is φ = 970454337600.

The previous prime is 979646428801. The next prime is 979646428837. The reversal of 979646428807 is 708824646979.

It is a happy number.

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 979646428807 - 2⁷ = 979646428679 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 (979646428801) 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, 2947507 + ... + 3262987.

It is an arithmetic number, because the mean of its divisors is an integer number (123604901154).

Almost surely, 2^979646428807 is an apocalyptic number.

979646428807 is a deficient number, since it is larger than the sum of its proper divisors (9192780425).

979646428807 is a wasteful number, since it uses less digits than its factorization.

979646428807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344609.

The product of its (nonzero) digits is 292626432, while the sum is 70.

The spelling of 979646428807 in words is "nine hundred seventy-nine billion, six hundred forty-six million, four hundred twenty-eight thousand, eight hundred seven".