79982183431 has 8 divisors (see below), whose sum is σ = 80069603328. Its totient is φ = 79894815000.

The previous prime is 79982183383. The next prime is 79982183503. The reversal of 79982183431 is 13438128997.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79982183431 is a prime.

It is a super-2 number, since 2×79982183431² (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 (79982181431) 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, 3639366 + ... + 3661276.

It is an arithmetic number, because the mean of its divisors is an integer number (10008700416).

Almost surely, 2^79982183431 is an apocalyptic number.

79982183431 is a deficient number, since it is larger than the sum of its proper divisors (87419897).

79982183431 is a wasteful number, since it uses less digits than its factorization.

79982183431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25733.

The product of its digits is 2612736, while the sum is 55.

The spelling of 79982183431 in words is "seventy-nine billion, nine hundred eighty-two million, one hundred eighty-three thousand, four hundred thirty-one".