63477638642867 has 2 divisors, whose sum is σ = 63477638642868. Its totient is φ = 63477638642866.

The previous prime is 63477638642827. The next prime is 63477638642893. The reversal of 63477638642867 is 76824683677436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63477638642867 - 2²⁰ = 63477637594291 is a prime.

It is not a weakly prime, because it can be changed into another prime (63477638642827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31738819321433 + 31738819321434.

It is an arithmetic number, because the mean of its divisors is an integer number (31738819321434).

Almost surely, 2^{63477638642867} is an apocalyptic number.

63477638642867 is a deficient number, since it is larger than the sum of its proper divisors (1).

63477638642867 is an equidigital number, since it uses as much as digits as its factorization.

63477638642867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8193540096, while the sum is 77.

The spelling of 63477638642867 in words is "sixty-three trillion, four hundred seventy-seven billion, six hundred thirty-eight million, six hundred forty-two thousand, eight hundred sixty-seven".