427074797 has 2 divisors, whose sum is σ = 427074798. Its totient is φ = 427074796.

The previous prime is 427074773. The next prime is 427074827. The reversal of 427074797 is 797470724.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417221476 + 9853321 = 20426^2 + 3139^2 .

It is a cyclic number.

It is not a de Polignac number, because 427074797 - 2¹² = 427070701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427074707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213537398 + 213537399.

It is an arithmetic number, because the mean of its divisors is an integer number (213537399).

Almost surely, 2^427074797 is an apocalyptic number.

It is an amenable number.

427074797 is a deficient number, since it is larger than the sum of its proper divisors (1).

427074797 is an equidigital number, since it uses as much as digits as its factorization.

427074797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691488, while the sum is 47.

The square root of 427074797 is about 20665.7880807870. The cubic root of 427074797 is about 753.0687874506.

The spelling of 427074797 in words is "four hundred twenty-seven million, seventy-four thousand, seven hundred ninety-seven".