426377863 has 4 divisors (see below), whose sum is σ = 430599528. Its totient is φ = 422156200.

The previous prime is 426377851. The next prime is 426377869. The reversal of 426377863 is 368773624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 426377863 - 2⁹ = 426377351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426377869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2110681 + ... + 2110882.

It is an arithmetic number, because the mean of its divisors is an integer number (107649882).

Almost surely, 2^426377863 is an apocalyptic number.

426377863 is a deficient number, since it is larger than the sum of its proper divisors (4221665).

426377863 is a wasteful number, since it uses less digits than its factorization.

426377863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4221664.

The product of its digits is 1016064, while the sum is 46.

The square root of 426377863 is about 20648.9191726831. The cubic root of 426377863 is about 752.6589256057.

The spelling of 426377863 in words is "four hundred twenty-six million, three hundred seventy-seven thousand, eight hundred sixty-three".