84782490539 has 2 divisors, whose sum is σ = 84782490540. Its totient is φ = 84782490538.

The previous prime is 84782490433. The next prime is 84782490571. The reversal of 84782490539 is 93509428748.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84782490539 - 2²⁸ = 84514055083 is a prime.

It is not a weakly prime, because it can be changed into another prime (84782490599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42391245269 + 42391245270.

It is an arithmetic number, because the mean of its divisors is an integer number (42391245270).

Almost surely, 2^84782490539 is an apocalyptic number.

84782490539 is a deficient number, since it is larger than the sum of its proper divisors (1).

84782490539 is an equidigital number, since it uses as much as digits as its factorization.

84782490539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 84782490539 in words is "eighty-four billion, seven hundred eighty-two million, four hundred ninety thousand, five hundred thirty-nine".