84245099 has 4 divisors (see below), whose sum is σ = 84411120. Its totient is φ = 84079080.

The previous prime is 84245093. The next prime is 84245129. The reversal of 84245099 is 99054248.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84245099 - 2²⁰ = 83196523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84245093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82247 + ... + 83264.

It is an arithmetic number, because the mean of its divisors is an integer number (21102780).

Almost surely, 2^84245099 is an apocalyptic number.

84245099 is a deficient number, since it is larger than the sum of its proper divisors (166021).

84245099 is a wasteful number, since it uses less digits than its factorization.

84245099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166020.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 84245099 is about 9178.5128969785. The cubic root of 84245099 is about 438.3774590009.

The spelling of 84245099 in words is "eighty-four million, two hundred forty-five thousand, ninety-nine".