79839588481 has 3 divisors (see below), whose sum is σ = 79839871041. Its totient is φ = 79839305922.

The previous prime is 79839588469. The next prime is 79839588487. The reversal of 79839588481 is 18488593897.

The square root of 79839588481 is 282559.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 79839588481 - 2¹⁷ = 79839457409 is a prime.

It is a super-2 number, since 2×79839588481² (a number of 23 digits) contains 22 as substring.

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 79839588481.

It is not an unprimeable number, because it can be changed into a prime (79839588487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 141280 + ... + 423838.

It is an arithmetic number, because the mean of its divisors is an integer number (26613290347).

Almost surely, 2^79839588481 is an apocalyptic number.

79839588481 is the 282559-th square number.

79839588481 is the 141280-th centered octagonal number.

It is an amenable number.

79839588481 is a deficient number, since it is larger than the sum of its proper divisors (282560).

79839588481 is an frugal number, since it uses more digits than its factorization.

79839588481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565118 (or 282559 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 70.

The spelling of 79839588481 in words is "seventy-nine billion, eight hundred thirty-nine million, five hundred eighty-eight thousand, four hundred eighty-one".