79112589405 has 16 divisors (see below), whose sum is σ = 133242256320. Its totient is φ = 39972676608.

The previous prime is 79112589397. The next prime is 79112589407. The reversal of 79112589405 is 50498521197.

It is not a de Polignac number, because 79112589405 - 2³ = 79112589397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79112589407) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 138793732 + ... + 138794301.

It is an arithmetic number, because the mean of its divisors is an integer number (8327641020).

Almost surely, 2^79112589405 is an apocalyptic number.

It is an amenable number.

79112589405 is a deficient number, since it is larger than the sum of its proper divisors (54129666915).

79112589405 is a wasteful number, since it uses less digits than its factorization.

79112589405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277588060.

The product of its (nonzero) digits is 907200, while the sum is 51.

The spelling of 79112589405 in words is "seventy-nine billion, one hundred twelve million, five hundred eighty-nine thousand, four hundred five".