86428003 has 2 divisors, whose sum is σ = 86428004. Its totient is φ = 86428002.

The previous prime is 86427977. The next prime is 86428009. The reversal of 86428003 is 30082468.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86428003 - 2¹³ = 86419811 is a prime.

It is not a weakly prime, because it can be changed into another prime (86428009) 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, 43214001 + 43214002.

It is an arithmetic number, because the mean of its divisors is an integer number (43214002).

Almost surely, 2^86428003 is an apocalyptic number.

86428003 is a deficient number, since it is larger than the sum of its proper divisors (1).

86428003 is an equidigital number, since it uses as much as digits as its factorization.

86428003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 86428003 is about 9296.6662304291. Note that the first 3 decimals coincide. The cubic root of 86428003 is about 442.1315357584.

The spelling of 86428003 in words is "eighty-six million, four hundred twenty-eight thousand, three".