47766769 has 2 divisors, whose sum is σ = 47766770. Its totient is φ = 47766768.

The previous prime is 47766767. The next prime is 47766773. The reversal of 47766769 is 96766774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29593600 + 18173169 = 5440^2 + 4263^2 .

It is a cyclic number.

It is not a de Polignac number, because 47766769 - 2¹ = 47766767 is a prime.

It is a super-2 number, since 2×47766769² = 4563328441398722, which contains 22 as substring.

Together with 47766767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47766767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23883384 + 23883385.

It is an arithmetic number, because the mean of its divisors is an integer number (23883385).

Almost surely, 2^47766769 is an apocalyptic number.

It is an amenable number.

47766769 is a deficient number, since it is larger than the sum of its proper divisors (1).

47766769 is an equidigital number, since it uses as much as digits as its factorization.

47766769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2667168, while the sum is 52.

The square root of 47766769 is about 6911.3507362888. The cubic root of 47766769 is about 362.8345392080.

The spelling of 47766769 in words is "forty-seven million, seven hundred sixty-six thousand, seven hundred sixty-nine".