79383812365 has 24 divisors (see below), whose sum is σ = 112762369944. Its totient is φ = 53292624000.

The previous prime is 79383812351. The next prime is 79383812383. The reversal of 79383812365 is 56321838397.

It can be written as a sum of positive squares in 4 ways, for example, as 7545875689 + 71837936676 = 86867^2 + 268026^2 .

It is not a de Polignac number, because 79383812365 - 2¹³ = 79383804173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5038786 + ... + 5054515.

It is an arithmetic number, because the mean of its divisors is an integer number (4698432081).

Almost surely, 2^79383812365 is an apocalyptic number.

It is an amenable number.

79383812365 is a deficient number, since it is larger than the sum of its proper divisors (33378557579).

79383812365 is a wasteful number, since it uses less digits than its factorization.

79383812365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10093341 (or 10093330 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 55.

The spelling of 79383812365 in words is "seventy-nine billion, three hundred eighty-three million, eight hundred twelve thousand, three hundred sixty-five".