47784400331 has 2 divisors, whose sum is σ = 47784400332. Its totient is φ = 47784400330.

The previous prime is 47784400319. The next prime is 47784400337. The reversal of 47784400331 is 13300448774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47784400331 - 2⁶ = 47784400267 is a prime.

It is a super-2 number, since 2×47784400331² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47784400337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23892200165 + 23892200166.

It is an arithmetic number, because the mean of its divisors is an integer number (23892200166).

Almost surely, 2^47784400331 is an apocalyptic number.

47784400331 is a deficient number, since it is larger than the sum of its proper divisors (1).

47784400331 is an equidigital number, since it uses as much as digits as its factorization.

47784400331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 47784400331 in words is "forty-seven billion, seven hundred eighty-four million, four hundred thousand, three hundred thirty-one".