84539098087 has 2 divisors, whose sum is σ = 84539098088. Its totient is φ = 84539098086.

The previous prime is 84539098069. The next prime is 84539098117. The reversal of 84539098087 is 78089093548.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84539098087 - 2¹¹ = 84539096039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84539098027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42269549043 + 42269549044.

It is an arithmetic number, because the mean of its divisors is an integer number (42269549044).

Almost surely, 2^84539098087 is an apocalyptic number.

84539098087 is a deficient number, since it is larger than the sum of its proper divisors (1).

84539098087 is an equidigital number, since it uses as much as digits as its factorization.

84539098087 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 61.

The spelling of 84539098087 in words is "eighty-four billion, five hundred thirty-nine million, ninety-eight thousand, eighty-seven".