8040894287 has 2 divisors, whose sum is σ = 8040894288. Its totient is φ = 8040894286.

The previous prime is 8040894269. The next prime is 8040894331. The reversal of 8040894287 is 7824980408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8040894287 - 2¹² = 8040890191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8040894247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4020447143 + 4020447144.

It is an arithmetic number, because the mean of its divisors is an integer number (4020447144).

Almost surely, 2^8040894287 is an apocalyptic number.

8040894287 is a deficient number, since it is larger than the sum of its proper divisors (1).

8040894287 is an equidigital number, since it uses as much as digits as its factorization.

8040894287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The square root of 8040894287 is about 89671.0337121191. The cubic root of 8040894287 is about 2003.4020669390.

The spelling of 8040894287 in words is "eight billion, forty million, eight hundred ninety-four thousand, two hundred eighty-seven".