85582807 has 2 divisors, whose sum is σ = 85582808. Its totient is φ = 85582806.

The previous prime is 85582789. The next prime is 85582823. The reversal of 85582807 is 70828558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85582807 - 2¹⁵ = 85550039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85582837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42791403 + 42791404.

It is an arithmetic number, because the mean of its divisors is an integer number (42791404).

Almost surely, 2^85582807 is an apocalyptic number.

85582807 is a deficient number, since it is larger than the sum of its proper divisors (1).

85582807 is an equidigital number, since it uses as much as digits as its factorization.

85582807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 179200, while the sum is 43.

The square root of 85582807 is about 9251.0976105541. The cubic root of 85582807 is about 440.6855823814.

The spelling of 85582807 in words is "eighty-five million, five hundred eighty-two thousand, eight hundred seven".