47267776667431 has 2 divisors, whose sum is σ = 47267776667432. Its totient is φ = 47267776667430.

The previous prime is 47267776667429. The next prime is 47267776667453. The reversal of 47267776667431 is 13476667776274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47267776667431 - 2¹ = 47267776667429 is a prime.

It is a super-2 number, since 2×47267776667431² (a number of 28 digits) contains 22 as substring.

Together with 47267776667429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47267776667831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23633888333715 + 23633888333716.

It is an arithmetic number, because the mean of its divisors is an integer number (23633888333716).

Almost surely, 2^{47267776667431} is an apocalyptic number.

47267776667431 is a deficient number, since it is larger than the sum of its proper divisors (1).

47267776667431 is an equidigital number, since it uses as much as digits as its factorization.

47267776667431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2091059712, while the sum is 73.

The spelling of 47267776667431 in words is "forty-seven trillion, two hundred sixty-seven billion, seven hundred seventy-six million, six hundred sixty-seven thousand, four hundred thirty-one".