47226887 has 2 divisors, whose sum is σ = 47226888. Its totient is φ = 47226886.

The previous prime is 47226863. The next prime is 47226931. The reversal of 47226887 is 78862274.

It is an a-pointer prime, because the next prime (47226931) can be obtained adding 47226887 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47226887 - 2⁸ = 47226631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47226847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23613443 + 23613444.

It is an arithmetic number, because the mean of its divisors is an integer number (23613444).

Almost surely, 2^47226887 is an apocalyptic number.

47226887 is a deficient number, since it is larger than the sum of its proper divisors (1).

47226887 is an equidigital number, since it uses as much as digits as its factorization.

47226887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 301056, while the sum is 44.

The square root of 47226887 is about 6872.1821134193. The cubic root of 47226887 is about 361.4623822679.

The spelling of 47226887 in words is "forty-seven million, two hundred twenty-six thousand, eight hundred eighty-seven".