426327773 has 2 divisors, whose sum is σ = 426327774. Its totient is φ = 426327772.

The previous prime is 426327763. The next prime is 426327823. The reversal of 426327773 is 377723624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 424483609 + 1844164 = 20603^2 + 1358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426327773 is a prime.

It is a super-2 number, since 2×426327773² = 363510740062279058, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 426327773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426327703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213163886 + 213163887.

It is an arithmetic number, because the mean of its divisors is an integer number (213163887).

Almost surely, 2^426327773 is an apocalyptic number.

It is an amenable number.

426327773 is a deficient number, since it is larger than the sum of its proper divisors (1).

426327773 is an equidigital number, since it uses as much as digits as its factorization.

426327773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 296352, while the sum is 41.

The square root of 426327773 is about 20647.7062406457. The cubic root of 426327773 is about 752.6294508406.

It can be divided in two parts, 42632 and 7773, that added together give a palindrome (50405).

The spelling of 426327773 in words is "four hundred twenty-six million, three hundred twenty-seven thousand, seven hundred seventy-three".