85296231 has 6 divisors (see below), whose sum is σ = 123205680. Its totient is φ = 56864148.

The previous prime is 85296223. The next prime is 85296319. The reversal of 85296231 is 13269258.

85296231 is a `hidden beast` number, since 8 + 5 + 29 + 623 + 1 = 666.

It is not a de Polignac number, because 85296231 - 2³ = 85296223 is a prime.

It is a super-2 number, since 2×85296231² = 14550894045610722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89296231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4738671 + ... + 4738688.

It is an arithmetic number, because the mean of its divisors is an integer number (20534280).

Almost surely, 2^85296231 is an apocalyptic number.

85296231 is a deficient number, since it is larger than the sum of its proper divisors (37909449).

85296231 is a wasteful number, since it uses less digits than its factorization.

85296231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9477365 (or 9477362 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 85296231 is about 9235.5958659959. The cubic root of 85296231 is about 440.1931503916.

The spelling of 85296231 in words is "eighty-five million, two hundred ninety-six thousand, two hundred thirty-one".