85162831 has 8 divisors (see below), whose sum is σ = 91918400. Its totient is φ = 78436512.

The previous prime is 85162823. The next prime is 85162837. The reversal of 85162831 is 13826158.

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

It is a cyclic number.

It is not a de Polignac number, because 85162831 - 2³ = 85162823 is a prime.

It is a super-2 number, since 2×85162831² = 14505415567869122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85162837) 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, 1056 + ... + 13093.

It is an arithmetic number, because the mean of its divisors is an integer number (11489800).

Almost surely, 2^85162831 is an apocalyptic number.

85162831 is a deficient number, since it is larger than the sum of its proper divisors (6755569).

85162831 is a wasteful number, since it uses less digits than its factorization.

85162831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14625.

The product of its digits is 11520, while the sum is 34.

The square root of 85162831 is about 9228.3709830067. The cubic root of 85162831 is about 439.9635489776.

Adding to 85162831 its reverse (13826158), we get a palindrome (98988989).

The spelling of 85162831 in words is "eighty-five million, one hundred sixty-two thousand, eight hundred thirty-one".