79581257744383 has 8 divisors (see below), whose sum is σ = 82150375564800. Its totient is φ = 77012263703640.

The previous prime is 79581257744369. The next prime is 79581257744413. The reversal of 79581257744383 is 38344775218597.

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 79581257744383 - 2¹⁷ = 79581257613311 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 (79581257744363) 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, 29637433 + ... + 32210866.

It is an arithmetic number, because the mean of its divisors is an integer number (10268796945600).

Almost surely, 2^{79581257744383} is an apocalyptic number.

79581257744383 is a deficient number, since it is larger than the sum of its proper divisors (2569117820417).

79581257744383 is a wasteful number, since it uses less digits than its factorization.

79581257744383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61889837.

The product of its digits is 1422489600, while the sum is 73.

The spelling of 79581257744383 in words is "seventy-nine trillion, five hundred eighty-one billion, two hundred fifty-seven million, seven hundred forty-four thousand, three hundred eighty-three".