47868567631 has 2 divisors, whose sum is σ = 47868567632. Its totient is φ = 47868567630.

The previous prime is 47868567601. The next prime is 47868567647. The reversal of 47868567631 is 13676586874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47868567631 - 2⁷ = 47868567503 is a prime.

It is a super-2 number, since 2×47868567631² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47868567631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47868567601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23934283815 + 23934283816.

It is an arithmetic number, because the mean of its divisors is an integer number (23934283816).

Almost surely, 2^47868567631 is an apocalyptic number.

47868567631 is a deficient number, since it is larger than the sum of its proper divisors (1).

47868567631 is an equidigital number, since it uses as much as digits as its factorization.

47868567631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40642560, while the sum is 61.

The spelling of 47868567631 in words is "forty-seven billion, eight hundred sixty-eight million, five hundred sixty-seven thousand, six hundred thirty-one".