84861984763 has 2 divisors, whose sum is σ = 84861984764. Its totient is φ = 84861984762.

The previous prime is 84861984751. The next prime is 84861984829. The reversal of 84861984763 is 36748916848.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84861984763 - 2³³ = 76272050171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84861984695 and 84861984704.

It is not a weakly prime, because it can be changed into another prime (84861984703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42430992381 + 42430992382.

It is an arithmetic number, because the mean of its divisors is an integer number (42430992382).

Almost surely, 2^84861984763 is an apocalyptic number.

84861984763 is a deficient number, since it is larger than the sum of its proper divisors (1).

84861984763 is an equidigital number, since it uses as much as digits as its factorization.

84861984763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55738368, while the sum is 64.

The spelling of 84861984763 in words is "eighty-four billion, eight hundred sixty-one million, nine hundred eighty-four thousand, seven hundred sixty-three".