85715425227 has 16 divisors (see below), whose sum is σ = 118017846272. Its totient is φ = 55279683360.

The previous prime is 85715425223. The next prime is 85715425231. The reversal of 85715425227 is 72252451758.

It is an interprime number because it is at equal distance from previous prime (85715425223) and next prime (85715425231).

It is not a de Polignac number, because 85715425227 - 2² = 85715425223 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85715425223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81513 + ... + 421989.

It is an arithmetic number, because the mean of its divisors is an integer number (7376115392).

Almost surely, 2^85715425227 is an apocalyptic number.

85715425227 is a deficient number, since it is larger than the sum of its proper divisors (32302421045).

85715425227 is a wasteful number, since it uses less digits than its factorization.

85715425227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343218.

The product of its digits is 1568000, while the sum is 48.

The spelling of 85715425227 in words is "eighty-five billion, seven hundred fifteen million, four hundred twenty-five thousand, two hundred twenty-seven".