80731638047 has 2 divisors, whose sum is σ = 80731638048. Its totient is φ = 80731638046.

The previous prime is 80731638019. The next prime is 80731638067. The reversal of 80731638047 is 74083613708.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80731638047 - 2¹⁰ = 80731637023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80731637992 and 80731638010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80731638017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40365819023 + 40365819024.

It is an arithmetic number, because the mean of its divisors is an integer number (40365819024).

Almost surely, 2^80731638047 is an apocalyptic number.

80731638047 is a deficient number, since it is larger than the sum of its proper divisors (1).

80731638047 is an equidigital number, since it uses as much as digits as its factorization.

80731638047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 80731638047 in words is "eighty billion, seven hundred thirty-one million, six hundred thirty-eight thousand, forty-seven".