7759947761979 has 32 divisors (see below), whose sum is σ = 11953083425280. Its totient is φ = 4386334194432.

The previous prime is 7759947761941. The next prime is 7759947761999. The reversal of 7759947761979 is 9791677499577.

It is not a de Polignac number, because 7759947761979 - 2¹⁶ = 7759947696443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7759947761895 and 7759947761904.

It is not an unprimeable number, because it can be changed into a prime (7759947761999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3951244 + ... + 5579625.

It is an arithmetic number, because the mean of its divisors is an integer number (373533857040).

Almost surely, 2^{7759947761979} is an apocalyptic number.

7759947761979 is a deficient number, since it is larger than the sum of its proper divisors (4193135663301).

7759947761979 is a wasteful number, since it uses less digits than its factorization.

7759947761979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9531299.

The product of its digits is 13232487240, while the sum is 87.

The spelling of 7759947761979 in words is "seven trillion, seven hundred fifty-nine billion, nine hundred forty-seven million, seven hundred sixty-one thousand, nine hundred seventy-nine".