1079821464679 has 4 divisors (see below), whose sum is σ = 1143340374384. Its totient is φ = 1016302554976.

The previous prime is 1079821464661. The next prime is 1079821464697. The reversal of 1079821464679 is 9764641289701.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1079821464661) and next prime (1079821464697).

It is a cyclic number.

It is not a de Polignac number, because 1079821464679 - 2¹⁵ = 1079821431911 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 1079821464679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1079821464649) 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, 31759454827 + ... + 31759454860.

It is an arithmetic number, because the mean of its divisors is an integer number (285835093596).

Almost surely, 2^{1079821464679} is an apocalyptic number.

1079821464679 is a deficient number, since it is larger than the sum of its proper divisors (63518909705).

1079821464679 is an equidigital number, since it uses as much as digits as its factorization.

1079821464679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63518909704.

The product of its (nonzero) digits is 36578304, while the sum is 64.

The spelling of 1079821464679 in words is "one trillion, seventy-nine billion, eight hundred twenty-one million, four hundred sixty-four thousand, six hundred seventy-nine".