47766691471 has 2 divisors, whose sum is σ = 47766691472. Its totient is φ = 47766691470.

The previous prime is 47766691459. The next prime is 47766691493. The reversal of 47766691471 is 17419666774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47766691471 - 2²⁷ = 47632473743 is a prime.

It is a super-3 number, since 3×47766691471³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47766691421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23883345735 + 23883345736.

It is an arithmetic number, because the mean of its divisors is an integer number (23883345736).

Almost surely, 2^47766691471 is an apocalyptic number.

47766691471 is a deficient number, since it is larger than the sum of its proper divisors (1).

47766691471 is an equidigital number, since it uses as much as digits as its factorization.

47766691471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10668672, while the sum is 58.

The spelling of 47766691471 in words is "forty-seven billion, seven hundred sixty-six million, six hundred ninety-one thousand, four hundred seventy-one".