8477213663 has 2 divisors, whose sum is σ = 8477213664. Its totient is φ = 8477213662.

The previous prime is 8477213581. The next prime is 8477213681. The reversal of 8477213663 is 3663127748.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8477213663 - 2³⁰ = 7403471839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8477213963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4238606831 + 4238606832.

It is an arithmetic number, because the mean of its divisors is an integer number (4238606832).

Almost surely, 2^8477213663 is an apocalyptic number.

8477213663 is a deficient number, since it is larger than the sum of its proper divisors (1).

8477213663 is an equidigital number, since it uses as much as digits as its factorization.

8477213663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 47.

The square root of 8477213663 is about 92071.7853796699. The cubic root of 8477213663 is about 2039.0022725055.

The spelling of 8477213663 in words is "eight billion, four hundred seventy-seven million, two hundred thirteen thousand, six hundred sixty-three".