86424853 has 2 divisors, whose sum is σ = 86424854. Its totient is φ = 86424852.

The previous prime is 86424851. The next prime is 86424857. The reversal of 86424853 is 35842468.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56580484 + 29844369 = 7522^2 + 5463^2 .

It is a cyclic number.

It is not a de Polignac number, because 86424853 - 2¹ = 86424851 is a prime.

Together with 86424851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86424851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43212426 + 43212427.

It is an arithmetic number, because the mean of its divisors is an integer number (43212427).

Almost surely, 2^86424853 is an apocalyptic number.

It is an amenable number.

86424853 is a deficient number, since it is larger than the sum of its proper divisors (1).

86424853 is an equidigital number, since it uses as much as digits as its factorization.

86424853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 184320, while the sum is 40.

The square root of 86424853 is about 9296.4968133163. The cubic root of 86424853 is about 442.1261643078.

The spelling of 86424853 in words is "eighty-six million, four hundred twenty-four thousand, eight hundred fifty-three".