84155127387259 has 2 divisors, whose sum is σ = 84155127387260. Its totient is φ = 84155127387258.

The previous prime is 84155127387239. The next prime is 84155127387301. The reversal of 84155127387259 is 95278372155148.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84155127387259 - 2¹⁵ = 84155127354491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84155127387194 and 84155127387203.

It is not a weakly prime, because it can be changed into another prime (84155127387239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42077563693629 + 42077563693630.

It is an arithmetic number, because the mean of its divisors is an integer number (42077563693630).

Almost surely, 2^{84155127387259} is an apocalyptic number.

84155127387259 is a deficient number, since it is larger than the sum of its proper divisors (1).

84155127387259 is an equidigital number, since it uses as much as digits as its factorization.

84155127387259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344000, while the sum is 67.

The spelling of 84155127387259 in words is "eighty-four trillion, one hundred fifty-five billion, one hundred twenty-seven million, three hundred eighty-seven thousand, two hundred fifty-nine".