79764243119 has 4 divisors (see below), whose sum is σ = 87015537960. Its totient is φ = 72512948280.

The previous prime is 79764243109. The next prime is 79764243127. The reversal of 79764243119 is 91134246797.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91134246797 = 11 ⋅8284931527.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79764243119 is a prime.

It is a super-2 number, since 2×79764243119² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79764243109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3625647404 + ... + 3625647425.

It is an arithmetic number, because the mean of its divisors is an integer number (21753884490).

Almost surely, 2^79764243119 is an apocalyptic number.

79764243119 is a deficient number, since it is larger than the sum of its proper divisors (7251294841).

79764243119 is a wasteful number, since it uses less digits than its factorization.

79764243119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7251294840.

The product of its digits is 2286144, while the sum is 53.

The spelling of 79764243119 in words is "seventy-nine billion, seven hundred sixty-four million, two hundred forty-three thousand, one hundred nineteen".