85834499 has 2 divisors, whose sum is σ = 85834500. Its totient is φ = 85834498.

The previous prime is 85834481. The next prime is 85834501. The reversal of 85834499 is 99443858.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85834499 - 2¹² = 85830403 is a prime.

It is a super-2 number, since 2×85834499² = 14735122437162002, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 85834501, 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 (85834409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42917249 + 42917250.

It is an arithmetic number, because the mean of its divisors is an integer number (42917250).

Almost surely, 2^85834499 is an apocalyptic number.

85834499 is a deficient number, since it is larger than the sum of its proper divisors (1).

85834499 is an equidigital number, since it uses as much as digits as its factorization.

85834499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 50.

The square root of 85834499 is about 9264.6909824343. The cubic root of 85834499 is about 441.1171662636.

The spelling of 85834499 in words is "eighty-five million, eight hundred thirty-four thousand, four hundred ninety-nine".