8071782230799 has 80 divisors (see below), whose sum is σ = 14380808352768. Its totient is φ = 4411518173568.

The previous prime is 8071782230797. The next prime is 8071782230843. The reversal of 8071782230799 is 9970322871708.

It is not a de Polignac number, because 8071782230799 - 2¹ = 8071782230797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8071782230797) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 211466814 + ... + 211504980.

Almost surely, 2^{8071782230799} is an apocalyptic number.

8071782230799 is a deficient number, since it is larger than the sum of its proper divisors (6309026121969).

8071782230799 is a wasteful number, since it uses less digits than its factorization.

8071782230799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54426 (or 54417 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 63.

The spelling of 8071782230799 in words is "eight trillion, seventy-one billion, seven hundred eighty-two million, two hundred thirty thousand, seven hundred ninety-nine".