881709332879 has 4 divisors (see below), whose sum is σ = 896653558920. Its totient is φ = 866765106840.

The previous prime is 881709332857. The next prime is 881709332981. The reversal of 881709332879 is 978233907188.

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 881709332879 - 2²⁴ = 881692555663 is a prime.

It is a super-2 number, since 2×881709332879² (a number of 25 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 (881709338879) 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, 7472112932 + ... + 7472113049.

It is an arithmetic number, because the mean of its divisors is an integer number (224163389730).

Almost surely, 2^881709332879 is an apocalyptic number.

881709332879 is a deficient number, since it is larger than the sum of its proper divisors (14944226041).

881709332879 is a wasteful number, since it uses less digits than its factorization.

881709332879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14944226040.

The product of its (nonzero) digits is 36578304, while the sum is 65.

The spelling of 881709332879 in words is "eight hundred eighty-one billion, seven hundred nine million, three hundred thirty-two thousand, eight hundred seventy-nine".