84681832807 has 16 divisors (see below), whose sum is σ = 101799992448. Its totient is φ = 69409075680.

The previous prime is 84681832783. The next prime is 84681832819. The reversal of 84681832807 is 70823818648.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84681832807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84681832867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6879673 + ... + 6891970.

It is an arithmetic number, because the mean of its divisors is an integer number (6362499528).

Almost surely, 2^84681832807 is an apocalyptic number.

84681832807 is a deficient number, since it is larger than the sum of its proper divisors (17118159641).

84681832807 is a wasteful number, since it uses less digits than its factorization.

84681832807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13771710.

The product of its (nonzero) digits is 4128768, while the sum is 55.

The spelling of 84681832807 in words is "eighty-four billion, six hundred eighty-one million, eight hundred thirty-two thousand, eight hundred seven".