85006499 has 2 divisors, whose sum is σ = 85006500. Its totient is φ = 85006498.

The previous prime is 85006487. The next prime is 85006517. The reversal of 85006499 is 99460058.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85006499 is a prime.

It is a super-2 number, since 2×85006499² = 14452209744474002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85006199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42503249 + 42503250.

It is an arithmetic number, because the mean of its divisors is an integer number (42503250).

Almost surely, 2^85006499 is an apocalyptic number.

85006499 is a deficient number, since it is larger than the sum of its proper divisors (1).

85006499 is an equidigital number, since it uses as much as digits as its factorization.

85006499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 85006499 is about 9219.8969083174. The cubic root of 85006499 is about 439.6941728110.

The spelling of 85006499 in words is "eighty-five million, six thousand, four hundred ninety-nine".