84874799179 has 2 divisors, whose sum is σ = 84874799180. Its totient is φ = 84874799178.

The previous prime is 84874799147. The next prime is 84874799201. The reversal of 84874799179 is 97199747848.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84874799179 - 2⁵ = 84874799147 is a prime.

It is not a weakly prime, because it can be changed into another prime (84874790179) 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, 42437399589 + 42437399590.

It is an arithmetic number, because the mean of its divisors is an integer number (42437399590).

Almost surely, 2^84874799179 is an apocalyptic number.

84874799179 is a deficient number, since it is larger than the sum of its proper divisors (1).

84874799179 is an equidigital number, since it uses as much as digits as its factorization.

84874799179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 256048128, while the sum is 73.

The spelling of 84874799179 in words is "eighty-four billion, eight hundred seventy-four million, seven hundred ninety-nine thousand, one hundred seventy-nine".