86446747 has 2 divisors, whose sum is σ = 86446748. Its totient is φ = 86446746.

The previous prime is 86446739. The next prime is 86446781. The reversal of 86446747 is 74764468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86446747 - 2³ = 86446739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86446697 and 86446706.

It is not a weakly prime, because it can be changed into another prime (86146747) 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, 43223373 + 43223374.

It is an arithmetic number, because the mean of its divisors is an integer number (43223374).

Almost surely, 2^86446747 is an apocalyptic number.

86446747 is a deficient number, since it is larger than the sum of its proper divisors (1).

86446747 is an equidigital number, since it uses as much as digits as its factorization.

86446747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 903168, while the sum is 46.

The square root of 86446747 is about 9297.6742790872. The cubic root of 86446747 is about 442.1634957490.

The spelling of 86446747 in words is "eighty-six million, four hundred forty-six thousand, seven hundred forty-seven".