47057789 has 2 divisors, whose sum is σ = 47057790. Its totient is φ = 47057788.

The previous prime is 47057753. The next prime is 47057797. The reversal of 47057789 is 98775074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44023225 + 3034564 = 6635^2 + 1742^2 .

It is a cyclic number.

It is not a de Polignac number, because 47057789 - 2⁸ = 47057533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47053789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23528894 + 23528895.

It is an arithmetic number, because the mean of its divisors is an integer number (23528895).

Almost surely, 2^47057789 is an apocalyptic number.

It is an amenable number.

47057789 is a deficient number, since it is larger than the sum of its proper divisors (1).

47057789 is an equidigital number, since it uses as much as digits as its factorization.

47057789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 47057789 is about 6859.8680016455. The cubic root of 47057789 is about 361.0304555558.

The spelling of 47057789 in words is "forty-seven million, fifty-seven thousand, seven hundred eighty-nine".