84157220599 has 2 divisors, whose sum is σ = 84157220600. Its totient is φ = 84157220598.

The previous prime is 84157220579. The next prime is 84157220701. The reversal of 84157220599 is 99502275148.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84157220599 - 2¹⁹ = 84156696311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84157220569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42078610299 + 42078610300.

It is an arithmetic number, because the mean of its divisors is an integer number (42078610300).

Almost surely, 2^84157220599 is an apocalyptic number.

84157220599 is a deficient number, since it is larger than the sum of its proper divisors (1).

84157220599 is an equidigital number, since it uses as much as digits as its factorization.

84157220599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 84157220599 in words is "eighty-four billion, one hundred fifty-seven million, two hundred twenty thousand, five hundred ninety-nine".