86430433 has 2 divisors, whose sum is σ = 86430434. Its totient is φ = 86430432.

The previous prime is 86430403. The next prime is 86430451. The reversal of 86430433 is 33403468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85803169 + 627264 = 9263^2 + 792^2 .

It is a cyclic number.

It is not a de Polignac number, because 86430433 - 2²¹ = 84333281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86430395 and 86430404.

It is not a weakly prime, because it can be changed into another prime (86430403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43215216 + 43215217.

It is an arithmetic number, because the mean of its divisors is an integer number (43215217).

Almost surely, 2^86430433 is an apocalyptic number.

It is an amenable number.

86430433 is a deficient number, since it is larger than the sum of its proper divisors (1).

86430433 is an equidigital number, since it uses as much as digits as its factorization.

86430433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 86430433 is about 9296.7969215209. The cubic root of 86430433 is about 442.1356793598.

The spelling of 86430433 in words is "eighty-six million, four hundred thirty thousand, four hundred thirty-three".