427886419 has 2 divisors, whose sum is σ = 427886420. Its totient is φ = 427886418.

The previous prime is 427886383. The next prime is 427886443. The reversal of 427886419 is 914688724.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427886419 - 2¹¹ = 427884371 is a prime.

It is a super-2 number, since 2×427886419² = 366173575129287122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (427886489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213943209 + 213943210.

It is an arithmetic number, because the mean of its divisors is an integer number (213943210).

Almost surely, 2^427886419 is an apocalyptic number.

427886419 is a deficient number, since it is larger than the sum of its proper divisors (1).

427886419 is an equidigital number, since it uses as much as digits as its factorization.

427886419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 49.

The square root of 427886419 is about 20685.4156110048. The cubic root of 427886419 is about 753.5455348684.

The spelling of 427886419 in words is "four hundred twenty-seven million, eight hundred eighty-six thousand, four hundred nineteen".