85835278605 has 32 divisors (see below), whose sum is σ = 147930439680. Its totient is φ = 42375896640.

The previous prime is 85835278603. The next prime is 85835278609. The reversal of 85835278605 is 50687253858.

It is a happy number.

It is not a de Polignac number, because 85835278605 - 2¹ = 85835278603 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85835278601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4002175 + ... + 4023564.

It is an arithmetic number, because the mean of its divisors is an integer number (4622826240).

Almost surely, 2^85835278605 is an apocalyptic number.

It is an amenable number.

85835278605 is a deficient number, since it is larger than the sum of its proper divisors (62095161075).

85835278605 is a wasteful number, since it uses less digits than its factorization.

85835278605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8025801.

The product of its (nonzero) digits is 16128000, while the sum is 57.

The spelling of 85835278605 in words is "eighty-five billion, eight hundred thirty-five million, two hundred seventy-eight thousand, six hundred five".