84813959 has 8 divisors (see below), whose sum is σ = 85536000. Its totient is φ = 84095032.

The previous prime is 84813943. The next prime is 84813961. The reversal of 84813959 is 95931848.

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

It is a cyclic number.

It is not a de Polignac number, because 84813959 - 2⁴ = 84813943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84813979) 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, 117602 + ... + 118320.

It is an arithmetic number, because the mean of its divisors is an integer number (10692000).

Almost surely, 2^84813959 is an apocalyptic number.

84813959 is a deficient number, since it is larger than the sum of its proper divisors (722041).

84813959 is a wasteful number, since it uses less digits than its factorization.

84813959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557.

The product of its digits is 311040, while the sum is 47.

The square root of 84813959 is about 9209.4494406560. The cubic root of 84813959 is about 439.3619522749.

The spelling of 84813959 in words is "eighty-four million, eight hundred thirteen thousand, nine hundred fifty-nine".