84057933811 has 2 divisors, whose sum is σ = 84057933812. Its totient is φ = 84057933810.

The previous prime is 84057933737. The next prime is 84057933821. The reversal of 84057933811 is 11833975048.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84057933811 - 2¹³ = 84057925619 is a prime.

It is not a weakly prime, because it can be changed into another prime (84057933821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42028966905 + 42028966906.

It is an arithmetic number, because the mean of its divisors is an integer number (42028966906).

Almost surely, 2^84057933811 is an apocalyptic number.

84057933811 is a deficient number, since it is larger than the sum of its proper divisors (1).

84057933811 is an equidigital number, since it uses as much as digits as its factorization.

84057933811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 84057933811 in words is "eighty-four billion, fifty-seven million, nine hundred thirty-three thousand, eight hundred eleven".