86445803 has 2 divisors, whose sum is σ = 86445804. Its totient is φ = 86445802.

The previous prime is 86445787. The next prime is 86445823. The reversal of 86445803 is 30854468.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86445803 - 2⁴ = 86445787 is a prime.

It is not a weakly prime, because it can be changed into another prime (86445823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43222901 + 43222902.

It is an arithmetic number, because the mean of its divisors is an integer number (43222902).

Almost surely, 2^86445803 is an apocalyptic number.

86445803 is a deficient number, since it is larger than the sum of its proper divisors (1).

86445803 is an equidigital number, since it uses as much as digits as its factorization.

86445803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 86445803 is about 9297.6235135652. The cubic root of 86445803 is about 442.1618862654.

The spelling of 86445803 in words is "eighty-six million, four hundred forty-five thousand, eight hundred three".