85932811 has 2 divisors, whose sum is σ = 85932812. Its totient is φ = 85932810.

The previous prime is 85932809. The next prime is 85932817. The reversal of 85932811 is 11823958.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85932811 - 2¹ = 85932809 is a prime.

Together with 85932809, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85932817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42966405 + 42966406.

It is an arithmetic number, because the mean of its divisors is an integer number (42966406).

Almost surely, 2^85932811 is an apocalyptic number.

85932811 is a deficient number, since it is larger than the sum of its proper divisors (1).

85932811 is an equidigital number, since it uses as much as digits as its factorization.

85932811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 37.

The square root of 85932811 is about 9269.9951995673. The cubic root of 85932811 is about 441.2855156833.

It can be divided in two parts, 859 and 32811, that added together give a triangular number (33670 = T₂₅₉).

The spelling of 85932811 in words is "eighty-five million, nine hundred thirty-two thousand, eight hundred eleven".