84864013 has 8 divisors (see below), whose sum is σ = 96202400. Its totient is φ = 74212848.

The previous prime is 84864001. The next prime is 84864037. The reversal of 84864013 is 31046848.

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 84864013 - 2¹⁷ = 84732941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84864013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84864113) 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 7 ways as a sum of consecutive naturals, for example, 171543 + ... + 172036.

It is an arithmetic number, because the mean of its divisors is an integer number (12025300).

Almost surely, 2^84864013 is an apocalyptic number.

It is an amenable number.

84864013 is a deficient number, since it is larger than the sum of its proper divisors (11338387).

84864013 is a wasteful number, since it uses less digits than its factorization.

84864013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343611.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 84864013 is about 9212.1665746989. The cubic root of 84864013 is about 439.4483668958.

The spelling of 84864013 in words is "eighty-four million, eight hundred sixty-four thousand, thirteen".