47773867 has 2 divisors, whose sum is σ = 47773868. Its totient is φ = 47773866.

The previous prime is 47773861. The next prime is 47773871. The reversal of 47773867 is 76837774.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47773867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47773867.

It is not a weakly prime, because it can be changed into another prime (47773861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23886933 + 23886934.

It is an arithmetic number, because the mean of its divisors is an integer number (23886934).

Almost surely, 2^47773867 is an apocalyptic number.

47773867 is a deficient number, since it is larger than the sum of its proper divisors (1).

47773867 is an equidigital number, since it uses as much as digits as its factorization.

47773867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1382976, while the sum is 49.

The square root of 47773867 is about 6911.8642203099. The cubic root of 47773867 is about 362.8525103628.

The spelling of 47773867 in words is "forty-seven million, seven hundred seventy-three thousand, eight hundred sixty-seven".