11982879719 has 8 divisors (see below), whose sum is σ = 12286065120. Its totient is φ = 11680214400.

The previous prime is 11982879691. The next prime is 11982879731. The reversal of 11982879719 is 91797828911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11982879719 - 2⁸ = 11982879463 is a prime.

It is a super-2 number, since 2×11982879719² (a number of 21 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 (11982879749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83147 + ... + 175724.

It is an arithmetic number, because the mean of its divisors is an integer number (1535758140).

Almost surely, 2^11982879719 is an apocalyptic number.

11982879719 is a deficient number, since it is larger than the sum of its proper divisors (303185401).

11982879719 is a wasteful number, since it uses less digits than its factorization.

11982879719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260041.

The product of its digits is 4572288, while the sum is 62.

The spelling of 11982879719 in words is "eleven billion, nine hundred eighty-two million, eight hundred seventy-nine thousand, seven hundred nineteen".