979996868699979 has 64 divisors (see below), whose sum is σ = 1449231275520000. Its totient is φ = 585215980876800.

The previous prime is 979996868699969. The next prime is 979996868700041.

979996868699979 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 979996868699979 - 2⁴³ = 971200775677771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (979996868699969) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 257676297 + ... + 261451845.

It is an arithmetic number, because the mean of its divisors is an integer number (22644238680000).

Almost surely, 2^{979996868699979} is an apocalyptic number.

979996868699979 is a deficient number, since it is larger than the sum of its proper divisors (469234406820021).

979996868699979 is a wasteful number, since it uses less digits than its factorization.

979996868699979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3776476.

The product of its digits is 29158815684096, while the sum is 120.

The spelling of 979996868699979 in words is "nine hundred seventy-nine trillion, nine hundred ninety-six billion, eight hundred sixty-eight million, six hundred ninety-nine thousand, nine hundred seventy-nine".