1088821319879 has 4 divisors (see below), whose sum is σ = 1088828118576. Its totient is φ = 1088814521184.

The previous prime is 1088821319851. The next prime is 1088821319897. The reversal of 1088821319879 is 9789131288801.

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

It is a cyclic number.

It is not a de Polignac number, because 1088821319879 - 2²⁸ = 1088552884423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1088820319879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3153179 + ... + 3481404.

It is an arithmetic number, because the mean of its divisors is an integer number (272207029644).

Almost surely, 2^{1088821319879} is an apocalyptic number.

1088821319879 is a deficient number, since it is larger than the sum of its proper divisors (6798697).

1088821319879 is an equidigital number, since it uses as much as digits as its factorization.

1088821319879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6798696.

The product of its (nonzero) digits is 13934592, while the sum is 65.

The spelling of 1088821319879 in words is "one trillion, eighty-eight billion, eight hundred twenty-one million, three hundred nineteen thousand, eight hundred seventy-nine".