84706899 has 8 divisors (see below), whose sum is σ = 114107280. Its totient is φ = 55888896.

The previous prime is 84706873. The next prime is 84706901. The reversal of 84706899 is 99860748.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84706899 - 2⁷ = 84706771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84706819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145254 + ... + 145835.

It is an arithmetic number, because the mean of its divisors is an integer number (14263410).

Almost surely, 2^84706899 is an apocalyptic number.

84706899 is a deficient number, since it is larger than the sum of its proper divisors (29400381).

84706899 is a wasteful number, since it uses less digits than its factorization.

84706899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291189.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 84706899 is about 9203.6350970690. The cubic root of 84706899 is about 439.1770067110.

The spelling of 84706899 in words is "eighty-four million, seven hundred six thousand, eight hundred ninety-nine".