8047406863 has 2 divisors, whose sum is σ = 8047406864. Its totient is φ = 8047406862.

The previous prime is 8047406833. The next prime is 8047406903. The reversal of 8047406863 is 3686047408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8047406863 - 2⁹ = 8047406351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8047406803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4023703431 + 4023703432.

It is an arithmetic number, because the mean of its divisors is an integer number (4023703432).

Almost surely, 2^8047406863 is an apocalyptic number.

8047406863 is a deficient number, since it is larger than the sum of its proper divisors (1).

8047406863 is an equidigital number, since it uses as much as digits as its factorization.

8047406863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 46.

The square root of 8047406863 is about 89707.3400731512. The cubic root of 8047406863 is about 2003.9427939967.

The spelling of 8047406863 in words is "eight billion, forty-seven million, four hundred six thousand, eight hundred sixty-three".