85874434365 has 32 divisors (see below), whose sum is σ = 139226947200. Its totient is φ = 45192519680.

The previous prime is 85874434363. The next prime is 85874434369. The reversal of 85874434365 is 56343447858.

It is a happy number.

It is not a de Polignac number, because 85874434365 - 2¹ = 85874434363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85874434363) 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, 589981 + ... + 720989.

It is an arithmetic number, because the mean of its divisors is an integer number (4350842100).

Almost surely, 2^85874434365 is an apocalyptic number.

It is an amenable number.

85874434365 is a deficient number, since it is larger than the sum of its proper divisors (53352512835).

85874434365 is a wasteful number, since it uses less digits than its factorization.

85874434365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131597.

The product of its digits is 38707200, while the sum is 57.

The spelling of 85874434365 in words is "eighty-five billion, eight hundred seventy-four million, four hundred thirty-four thousand, three hundred sixty-five".