427797847 has 2 divisors, whose sum is σ = 427797848. Its totient is φ = 427797846.

The previous prime is 427797833. The next prime is 427797871. The reversal of 427797847 is 748797724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427797847 - 2¹¹ = 427795799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427797827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213898923 + 213898924.

It is an arithmetic number, because the mean of its divisors is an integer number (213898924).

Almost surely, 2^427797847 is an apocalyptic number.

427797847 is a deficient number, since it is larger than the sum of its proper divisors (1).

427797847 is an equidigital number, since it uses as much as digits as its factorization.

427797847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5531904, while the sum is 55.

The square root of 427797847 is about 20683.2745714986. The cubic root of 427797847 is about 753.4935369253.

The spelling of 427797847 in words is "four hundred twenty-seven million, seven hundred ninety-seven thousand, eight hundred forty-seven".