47312722687 has 2 divisors, whose sum is σ = 47312722688. Its totient is φ = 47312722686.

The previous prime is 47312722673. The next prime is 47312722703. The reversal of 47312722687 is 78622721374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47312722687 - 2¹⁹ = 47312198399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47312722687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47312722637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23656361343 + 23656361344.

It is an arithmetic number, because the mean of its divisors is an integer number (23656361344).

Almost surely, 2^47312722687 is an apocalyptic number.

47312722687 is a deficient number, since it is larger than the sum of its proper divisors (1).

47312722687 is an equidigital number, since it uses as much as digits as its factorization.

47312722687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1580544, while the sum is 49.

The spelling of 47312722687 in words is "forty-seven billion, three hundred twelve million, seven hundred twenty-two thousand, six hundred eighty-seven".