979068171877 has 4 divisors (see below), whose sum is σ = 1030598075680. Its totient is φ = 927538268076.

The previous prime is 979068171857. The next prime is 979068171929. The reversal of 979068171877 is 778171860979.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-979068171877 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 (979068171857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25764951873 + ... + 25764951910.

It is an arithmetic number, because the mean of its divisors is an integer number (257649518920).

Almost surely, 2^979068171877 is an apocalyptic number.

It is an amenable number.

979068171877 is a deficient number, since it is larger than the sum of its proper divisors (51529903803).

979068171877 is a wasteful number, since it uses less digits than its factorization.

979068171877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51529903802.

The product of its (nonzero) digits is 74680704, while the sum is 70.

The spelling of 979068171877 in words is "nine hundred seventy-nine billion, sixty-eight million, one hundred seventy-one thousand, eight hundred seventy-seven".