85932171 has 40 divisors (see below), whose sum is σ = 140127680. Its totient is φ = 52161408.

The previous prime is 85932151. The next prime is 85932251. The reversal of 85932171 is 17123958.

It is not a de Polignac number, because 85932171 - 2⁵ = 85932139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85932131) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 82671 + ... + 83703.

It is an arithmetic number, because the mean of its divisors is an integer number (3503192).

Almost surely, 2^85932171 is an apocalyptic number.

85932171 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

85932171 is a deficient number, since it is larger than the sum of its proper divisors (54195509).

85932171 is a wasteful number, since it uses less digits than its factorization.

85932171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1128 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 85932171 is about 9269.9606795283. The cubic root of 85932171 is about 441.2844201630.

The spelling of 85932171 in words is "eighty-five million, nine hundred thirty-two thousand, one hundred seventy-one".