769379888579 has 4 divisors (see below), whose sum is σ = 769405345320. Its totient is φ = 769354431840.

The previous prime is 769379888539. The next prime is 769379888597. The reversal of 769379888579 is 975888973967.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 975888973967 = 7129 ⋅136890023.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-769379888579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 769379888579.

It is not an unprimeable number, because it can be changed into a prime (769379888539) 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, 12682982 + ... + 12743499.

It is an arithmetic number, because the mean of its divisors is an integer number (192351336330).

Almost surely, 2^769379888579 is an apocalyptic number.

769379888579 is a deficient number, since it is larger than the sum of its proper divisors (25456741).

769379888579 is a wasteful number, since it uses less digits than its factorization.

769379888579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25456740.

The product of its digits is 11522165760, while the sum is 86.

The spelling of 769379888579 in words is "seven hundred sixty-nine billion, three hundred seventy-nine million, eight hundred eighty-eight thousand, five hundred seventy-nine".