84315078767699 has 16 divisors (see below), whose sum is σ = 99457324938720. Its totient is φ = 70725208834560.

The previous prime is 84315078767627. The next prime is 84315078767779. The reversal of 84315078767699 is 99676787051348.

It is not a de Polignac number, because 84315078767699 - 2¹⁶ = 84315078702163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84315078767099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6577858997 + ... + 6577871814.

It is an arithmetic number, because the mean of its divisors is an integer number (6216082808670).

Almost surely, 2^{84315078767699} is an apocalyptic number.

84315078767699 is a deficient number, since it is larger than the sum of its proper divisors (15142246171021).

84315078767699 is a wasteful number, since it uses less digits than its factorization.

84315078767699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13155730870.

The product of its (nonzero) digits is 3840721920, while the sum is 80.

The spelling of 84315078767699 in words is "eighty-four trillion, three hundred fifteen billion, seventy-eight million, seven hundred sixty-seven thousand, six hundred ninety-nine".