84856099 has 4 divisors (see below), whose sum is σ = 85158360. Its totient is φ = 84553840.

The previous prime is 84856091. The next prime is 84856141. The reversal of 84856099 is 99065848.

It is a happy number.

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 84856099 - 2³ = 84856091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84856091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150709 + ... + 151270.

It is an arithmetic number, because the mean of its divisors is an integer number (21289590).

Almost surely, 2^84856099 is an apocalyptic number.

84856099 is a deficient number, since it is larger than the sum of its proper divisors (302261).

84856099 is a wasteful number, since it uses less digits than its factorization.

84856099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302260.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 84856099 is about 9211.7370240362. The cubic root of 84856099 is about 439.4347062075.

The spelling of 84856099 in words is "eighty-four million, eight hundred fifty-six thousand, ninety-nine".