84997499 has 2 divisors, whose sum is σ = 84997500. Its totient is φ = 84997498.

The previous prime is 84997487. The next prime is 84997529. The reversal of 84997499 is 99479948.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84997499 - 2¹⁶ = 84931963 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (84997699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42498749 + 42498750.

It is an arithmetic number, because the mean of its divisors is an integer number (42498750).

Almost surely, 2^84997499 is an apocalyptic number.

84997499 is a deficient number, since it is larger than the sum of its proper divisors (1).

84997499 is an equidigital number, since it uses as much as digits as its factorization.

84997499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5878656, while the sum is 59.

The square root of 84997499 is about 9219.4088205264. The cubic root of 84997499 is about 439.6786548319.

The spelling of 84997499 in words is "eighty-four million, nine hundred ninety-seven thousand, four hundred ninety-nine".