8045321783 has 2 divisors, whose sum is σ = 8045321784. Its totient is φ = 8045321782.

The previous prime is 8045321759. The next prime is 8045321789. The reversal of 8045321783 is 3871235408.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8045321783 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8045321783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8045321789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4022660891 + 4022660892.

It is an arithmetic number, because the mean of its divisors is an integer number (4022660892).

Almost surely, 2^8045321783 is an apocalyptic number.

8045321783 is a deficient number, since it is larger than the sum of its proper divisors (1).

8045321783 is an equidigital number, since it uses as much as digits as its factorization.

8045321783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 8045321783 is about 89695.7177517411. The cubic root of 8045321783 is about 2003.7697054463.

The spelling of 8045321783 in words is "eight billion, forty-five million, three hundred twenty-one thousand, seven hundred eighty-three".