85228341247 has 8 divisors (see below), whose sum is σ = 99391652000. Its totient is φ = 73052863632.

The previous prime is 85228341241. The next prime is 85228341281. The reversal of 85228341247 is 74214382258.

It is not a de Polignac number, because 85228341247 - 2¹⁵ = 85228308479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85228341197 and 85228341206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85228341241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124239222 + ... + 124239907.

It is an arithmetic number, because the mean of its divisors is an integer number (12423956500).

Almost surely, 2^85228341247 is an apocalyptic number.

85228341247 is a deficient number, since it is larger than the sum of its proper divisors (14163310753).

85228341247 is an equidigital number, since it uses as much as digits as its factorization.

85228341247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248479150 (or 248479136 counting only the distinct ones).

The product of its digits is 860160, while the sum is 46.

The spelling of 85228341247 in words is "eighty-five billion, two hundred twenty-eight million, three hundred forty-one thousand, two hundred forty-seven".