7979761097979 has 8 divisors (see below), whose sum is σ = 11606925233472. Its totient is φ = 4836218847240.

The previous prime is 7979761097927. The next prime is 7979761097981. The reversal of 7979761097979 is 9797901679797.

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

It is not a de Polignac number, because 7979761097979 - 2¹⁷ = 7979760966907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7979761097895 and 7979761097904.

It is not an unprimeable number, because it can be changed into a prime (7979761097879) 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, 120905471149 + ... + 120905471214.

It is an arithmetic number, because the mean of its divisors is an integer number (1450865654184).

Almost surely, 2^{7979761097979} is an apocalyptic number.

7979761097979 is a deficient number, since it is larger than the sum of its proper divisors (3627164135493).

7979761097979 is a wasteful number, since it uses less digits than its factorization.

7979761097979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241810942377.

The product of its (nonzero) digits is 5954619258, while the sum is 87.

The spelling of 7979761097979 in words is "seven trillion, nine hundred seventy-nine billion, seven hundred sixty-one million, ninety-seven thousand, nine hundred seventy-nine".