84963859 has 2 divisors, whose sum is σ = 84963860. Its totient is φ = 84963858.

The previous prime is 84963799. The next prime is 84963871. The reversal of 84963859 is 95836948.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84963859 - 2⁷ = 84963731 is a prime.

It is not a weakly prime, because it can be changed into another prime (84963899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42481929 + 42481930.

It is an arithmetic number, because the mean of its divisors is an integer number (42481930).

Almost surely, 2^84963859 is an apocalyptic number.

84963859 is a deficient number, since it is larger than the sum of its proper divisors (1).

84963859 is an equidigital number, since it uses as much as digits as its factorization.

84963859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 52.

The square root of 84963859 is about 9217.5842279851. The cubic root of 84963859 is about 439.6206423734.

The spelling of 84963859 in words is "eighty-four million, nine hundred sixty-three thousand, eight hundred fifty-nine".