85582837 has 2 divisors, whose sum is σ = 85582838. Its totient is φ = 85582836.

The previous prime is 85582831. The next prime is 85582891. The reversal of 85582837 is 73828558.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85119076 + 463761 = 9226^2 + 681^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85582837 is a prime.

It is a super-3 number, since 3×85582837³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85582831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42791418 + 42791419.

It is an arithmetic number, because the mean of its divisors is an integer number (42791419).

Almost surely, 2^85582837 is an apocalyptic number.

It is an amenable number.

85582837 is a deficient number, since it is larger than the sum of its proper divisors (1).

85582837 is an equidigital number, since it uses as much as digits as its factorization.

85582837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 537600, while the sum is 46.

The square root of 85582837 is about 9251.0992319832. The cubic root of 85582837 is about 440.6856338737.

The spelling of 85582837 in words is "eighty-five million, five hundred eighty-two thousand, eight hundred thirty-seven".