84863413 has 2 divisors, whose sum is σ = 84863414. Its totient is φ = 84863412.

The previous prime is 84863393. The next prime is 84863419. The reversal of 84863413 is 31436848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66945124 + 17918289 = 8182^2 + 4233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84863413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84863419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42431706 + 42431707.

It is an arithmetic number, because the mean of its divisors is an integer number (42431707).

Almost surely, 2^84863413 is an apocalyptic number.

It is an amenable number.

84863413 is a deficient number, since it is larger than the sum of its proper divisors (1).

84863413 is an equidigital number, since it uses as much as digits as its factorization.

84863413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 37.

The square root of 84863413 is about 9212.1340090122. The cubic root of 84863413 is about 439.4473312403.

It can be divided in two parts, 848 and 63413, that added together give a triangular number (64261 = T₃₅₈).

The spelling of 84863413 in words is "eighty-four million, eight hundred sixty-three thousand, four hundred thirteen".