8631125047 has 2 divisors, whose sum is σ = 8631125048. Its totient is φ = 8631125046.

The previous prime is 8631124967. The next prime is 8631125053. The reversal of 8631125047 is 7405211368.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8631125047 - 2⁷ = 8631124919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8631124997 and 8631125015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8631123047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4315562523 + 4315562524.

It is an arithmetic number, because the mean of its divisors is an integer number (4315562524).

Almost surely, 2^8631125047 is an apocalyptic number.

8631125047 is a deficient number, since it is larger than the sum of its proper divisors (1).

8631125047 is an equidigital number, since it uses as much as digits as its factorization.

8631125047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 8631125047 is about 92903.8483971466. The cubic root of 8631125047 is about 2051.2683047463.

The spelling of 8631125047 in words is "eight billion, six hundred thirty-one million, one hundred twenty-five thousand, forty-seven".