79020396185 has 8 divisors (see below), whose sum is σ = 94826074056. Its totient is φ = 63215251200.

The previous prime is 79020396173. The next prime is 79020396197. The reversal of 79020396185 is 58169302097.

It is an interprime number because it is at equal distance from previous prime (79020396173) and next prime (79020396197).

It can be written as a sum of positive squares in 4 ways, for example, as 16753678096 + 62266718089 = 129436^2 + 249533^2 .

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

It is not a de Polignac number, because 79020396185 - 2¹² = 79020392089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357035 + ... + 534335.

It is an arithmetic number, because the mean of its divisors is an integer number (11853259257).

Almost surely, 2^79020396185 is an apocalyptic number.

It is an amenable number.

79020396185 is a deficient number, since it is larger than the sum of its proper divisors (15805677871).

79020396185 is a wasteful number, since it uses less digits than its factorization.

79020396185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266443.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 79020396185 in words is "seventy-nine billion, twenty million, three hundred ninety-six thousand, one hundred eighty-five".