86424851 has 2 divisors, whose sum is σ = 86424852. Its totient is φ = 86424850.

The previous prime is 86424839. The next prime is 86424853. The reversal of 86424851 is 15842468.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86424851 - 2¹⁸ = 86162707 is a prime.

Together with 86424853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86424853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43212425 + 43212426.

It is an arithmetic number, because the mean of its divisors is an integer number (43212426).

Almost surely, 2^86424851 is an apocalyptic number.

86424851 is a deficient number, since it is larger than the sum of its proper divisors (1).

86424851 is an equidigital number, since it uses as much as digits as its factorization.

86424851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61440, while the sum is 38.

The square root of 86424851 is about 9296.4967057489. The cubic root of 86424851 is about 442.1261608973.

The spelling of 86424851 in words is "eighty-six million, four hundred twenty-four thousand, eight hundred fifty-one".