86304473 has 2 divisors, whose sum is σ = 86304474. Its totient is φ = 86304472.

The previous prime is 86304371. The next prime is 86304497. The reversal of 86304473 is 37440368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84419344 + 1885129 = 9188^2 + 1373^2 .

It is a cyclic number.

It is not a de Polignac number, because 86304473 - 2²² = 82110169 is a prime.

It is not a weakly prime, because it can be changed into another prime (86304773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43152236 + 43152237.

It is an arithmetic number, because the mean of its divisors is an integer number (43152237).

Almost surely, 2^86304473 is an apocalyptic number.

It is an amenable number.

86304473 is a deficient number, since it is larger than the sum of its proper divisors (1).

86304473 is an equidigital number, since it uses as much as digits as its factorization.

86304473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 86304473 is about 9290.0200753281. The cubic root of 86304473 is about 441.9207917550.

The spelling of 86304473 in words is "eighty-six million, three hundred four thousand, four hundred seventy-three".