85127231 has 8 divisors (see below), whose sum is σ = 97603584. Its totient is φ = 72729720.

The previous prime is 85127227. The next prime is 85127233. The reversal of 85127231 is 13272158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85127231 - 2² = 85127227 is a prime.

It is a super-2 number, since 2×85127231² = 14493290915454722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85127194 and 85127203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85127233) 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, 17375 + ... + 21728.

It is an arithmetic number, because the mean of its divisors is an integer number (12200448).

Almost surely, 2^85127231 is an apocalyptic number.

85127231 is a deficient number, since it is larger than the sum of its proper divisors (12476353).

85127231 is a wasteful number, since it uses less digits than its factorization.

85127231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39421.

The product of its digits is 3360, while the sum is 29.

The square root of 85127231 is about 9226.4419469262. The cubic root of 85127231 is about 439.9022355105.

Adding to 85127231 its reverse (13272158), we get a palindrome (98399389).

It can be divided in two parts, 85127 and 231, that added together give a palindrome (85358).

The spelling of 85127231 in words is "eighty-five million, one hundred twenty-seven thousand, two hundred thirty-one".