85268105779 has 6 divisors (see below), whose sum is σ = 89992100940. Its totient is φ = 80780310396.

The previous prime is 85268105723. The next prime is 85268105849. The reversal of 85268105779 is 97750186258.

It is not a de Polignac number, because 85268105779 - 2¹⁷ = 85267974707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85268105179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118099509 + ... + 118100230.

It is an arithmetic number, because the mean of its divisors is an integer number (14998683490).

Almost surely, 2^85268105779 is an apocalyptic number.

85268105779 is a deficient number, since it is larger than the sum of its proper divisors (4723995161).

85268105779 is a wasteful number, since it uses less digits than its factorization.

85268105779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236199777 (or 236199758 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 58.

The spelling of 85268105779 in words is "eighty-five billion, two hundred sixty-eight million, one hundred five thousand, seven hundred seventy-nine".