85279866093 has 12 divisors (see below), whose sum is σ = 127744326528. Its totient is φ = 56853243900.

The previous prime is 85279866083. The next prime is 85279866149. The reversal of 85279866093 is 39066897258.

It is not a de Polignac number, because 85279866093 - 2⁸ = 85279865837 is a prime.

It is a super-2 number, since 2×85279866093² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85279866093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85279866043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175472733 + ... + 175473218.

It is an arithmetic number, because the mean of its divisors is an integer number (10645360544).

Almost surely, 2^85279866093 is an apocalyptic number.

It is an amenable number.

85279866093 is a deficient number, since it is larger than the sum of its proper divisors (42464460435).

85279866093 is an equidigital number, since it uses as much as digits as its factorization.

85279866093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350945966 (or 350945954 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 85279866093 in words is "eighty-five billion, two hundred seventy-nine million, eight hundred sixty-six thousand, ninety-three".