427880277 has 24 divisors (see below), whose sum is σ = 676784160. Its totient is φ = 258341280.

The previous prime is 427880269. The next prime is 427880279. The reversal of 427880277 is 772088724.

It is not a de Polignac number, because 427880277 - 2³ = 427880269 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427880279) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18598 + ... + 34664.

It is an arithmetic number, because the mean of its divisors is an integer number (28199340).

Almost surely, 2^427880277 is an apocalyptic number.

It is an amenable number.

427880277 is a deficient number, since it is larger than the sum of its proper divisors (248903883).

427880277 is a wasteful number, since it uses less digits than its factorization.

427880277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16353 (or 16350 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The square root of 427880277 is about 20685.2671483837. The cubic root of 427880277 is about 753.5419293174.

The spelling of 427880277 in words is "four hundred twenty-seven million, eight hundred eighty thousand, two hundred seventy-seven".