84605699 has 4 divisors (see below), whose sum is σ = 85354536. Its totient is φ = 83856864.

The previous prime is 84605681. The next prime is 84605713. The reversal of 84605699 is 99650648.

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 84605699 - 2¹² = 84601603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84605629) 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, 374249 + ... + 374474.

It is an arithmetic number, because the mean of its divisors is an integer number (21338634).

Almost surely, 2^84605699 is an apocalyptic number.

84605699 is a deficient number, since it is larger than the sum of its proper divisors (748837).

84605699 is a wasteful number, since it uses less digits than its factorization.

84605699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748836.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 84605699 is about 9198.1356263104. The cubic root of 84605699 is about 439.0020409374.

The spelling of 84605699 in words is "eighty-four million, six hundred five thousand, six hundred ninety-nine".