427975763 has 4 divisors (see below), whose sum is σ = 430193448. Its totient is φ = 425758080.

The previous prime is 427975759. The next prime is 427975787. The reversal of 427975763 is 367579724.

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 427975763 - 2² = 427975759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427975733) 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, 1108553 + ... + 1108938.

It is an arithmetic number, because the mean of its divisors is an integer number (107548362).

Almost surely, 2^427975763 is an apocalyptic number.

427975763 is a deficient number, since it is larger than the sum of its proper divisors (2217685).

427975763 is a wasteful number, since it uses less digits than its factorization.

427975763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217684.

The product of its digits is 2222640, while the sum is 50.

The square root of 427975763 is about 20687.5750874770. The cubic root of 427975763 is about 753.5979787600.

The spelling of 427975763 in words is "four hundred twenty-seven million, nine hundred seventy-five thousand, seven hundred sixty-three".