82800507805 has 8 divisors (see below), whose sum is σ = 99364027392. Its totient is φ = 66238127568.

The previous prime is 82800507799. The next prime is 82800507833. The reversal of 82800507805 is 50870500828.

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 82800507805 - 2¹¹ = 82800505757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115837 + ... + 423106.

It is an arithmetic number, because the mean of its divisors is an integer number (12420503424).

Almost surely, 2^82800507805 is an apocalyptic number.

It is an amenable number.

82800507805 is a deficient number, since it is larger than the sum of its proper divisors (16563519587).

82800507805 is a wasteful number, since it uses less digits than its factorization.

82800507805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569675.

The product of its (nonzero) digits is 179200, while the sum is 43.

The spelling of 82800507805 in words is "eighty-two billion, eight hundred million, five hundred seven thousand, eight hundred five".