84448440859 has 2 divisors, whose sum is σ = 84448440860. Its totient is φ = 84448440858.

The previous prime is 84448440773. The next prime is 84448440871. The reversal of 84448440859 is 95804484448.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84448440859 - 2⁷ = 84448440731 is a prime.

It is not a weakly prime, because it can be changed into another prime (84448440259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42224220429 + 42224220430.

It is an arithmetic number, because the mean of its divisors is an integer number (42224220430).

Almost surely, 2^84448440859 is an apocalyptic number.

84448440859 is a deficient number, since it is larger than the sum of its proper divisors (1).

84448440859 is an equidigital number, since it uses as much as digits as its factorization.

84448440859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23592960, while the sum is 58.

The spelling of 84448440859 in words is "eighty-four billion, four hundred forty-eight million, four hundred forty thousand, eight hundred fifty-nine".