84766764847 has 2 divisors, whose sum is σ = 84766764848. Its totient is φ = 84766764846.

The previous prime is 84766764757. The next prime is 84766764853. The reversal of 84766764847 is 74846766748.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84766764847 - 2¹⁵ = 84766732079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84766765847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42383382423 + 42383382424.

It is an arithmetic number, because the mean of its divisors is an integer number (42383382424).

Almost surely, 2^84766764847 is an apocalyptic number.

84766764847 is a deficient number, since it is larger than the sum of its proper divisors (1).

84766764847 is an equidigital number, since it uses as much as digits as its factorization.

84766764847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 303464448, while the sum is 67.

The spelling of 84766764847 in words is "eighty-four billion, seven hundred sixty-six million, seven hundred sixty-four thousand, eight hundred forty-seven".