426782555 has 4 divisors (see below), whose sum is σ = 512139072. Its totient is φ = 341426040.

The previous prime is 426782533. The next prime is 426782557. The reversal of 426782555 is 555287624.

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

It is not a de Polignac number, because 426782555 - 2¹² = 426778459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426782557) 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, 42678251 + ... + 42678260.

It is an arithmetic number, because the mean of its divisors is an integer number (128034768).

Almost surely, 2^426782555 is an apocalyptic number.

426782555 is a deficient number, since it is larger than the sum of its proper divisors (85356517).

426782555 is an equidigital number, since it uses as much as digits as its factorization.

426782555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85356516.

The product of its digits is 672000, while the sum is 44.

The square root of 426782555 is about 20658.7161992221. The cubic root of 426782555 is about 752.8969763704.

The spelling of 426782555 in words is "four hundred twenty-six million, seven hundred eighty-two thousand, five hundred fifty-five".