84705868799 has 8 divisors (see below), whose sum is σ = 89167347840. Its totient is φ = 80244717336.

The previous prime is 84705868787. The next prime is 84705868829. The reversal of 84705868799 is 99786850748.

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 84705868799 - 2²⁰ = 84704820223 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 (84705868199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590534 + ... + 719820.

It is an arithmetic number, because the mean of its divisors is an integer number (11145918480).

Almost surely, 2^84705868799 is an apocalyptic number.

84705868799 is a deficient number, since it is larger than the sum of its proper divisors (4461479041).

84705868799 is a wasteful number, since it uses less digits than its factorization.

84705868799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163789.

The product of its (nonzero) digits is 243855360, while the sum is 71.

The spelling of 84705868799 in words is "eighty-four billion, seven hundred five million, eight hundred sixty-eight thousand, seven hundred ninety-nine".