427701397 has 2 divisors, whose sum is σ = 427701398. Its totient is φ = 427701396.

The previous prime is 427701377. The next prime is 427701479. The reversal of 427701397 is 793107724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225180036 + 202521361 = 15006^2 + 14231^2 .

It is a cyclic number.

It is not a de Polignac number, because 427701397 - 2²⁷ = 293483669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427701377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213850698 + 213850699.

It is an arithmetic number, because the mean of its divisors is an integer number (213850699).

Almost surely, 2^427701397 is an apocalyptic number.

It is an amenable number.

427701397 is a deficient number, since it is larger than the sum of its proper divisors (1).

427701397 is an equidigital number, since it uses as much as digits as its factorization.

427701397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 427701397 is about 20680.9428460116. The cubic root of 427701397 is about 753.4369058830.

The spelling of 427701397 in words is "four hundred twenty-seven million, seven hundred one thousand, three hundred ninety-seven".