85799345379 has 24 divisors (see below), whose sum is σ = 125782004880. Its totient is φ = 51984092160.

The previous prime is 85799345371. The next prime is 85799345381. The reversal of 85799345379 is 97354399758.

It is not a de Polignac number, because 85799345379 - 2³ = 85799345371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85799345371) 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 23 ways as a sum of consecutive naturals, for example, 1247539 + ... + 1314515.

It is an arithmetic number, because the mean of its divisors is an integer number (5240916870).

Almost surely, 2^85799345379 is an apocalyptic number.

85799345379 is a deficient number, since it is larger than the sum of its proper divisors (39982659501).

85799345379 is a wasteful number, since it uses less digits than its factorization.

85799345379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70531 (or 70520 counting only the distinct ones).

The product of its digits is 257191200, while the sum is 69.

The spelling of 85799345379 in words is "eighty-five billion, seven hundred ninety-nine million, three hundred forty-five thousand, three hundred seventy-nine".