427543763 has 4 divisors (see below), whose sum is σ = 428835768. Its totient is φ = 426251760.

The previous prime is 427543751. The next prime is 427543793. The reversal of 427543763 is 367345724.

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 427543763 - 2²⁸ = 159108307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 427543763.

It is not an unprimeable number, because it can be changed into a prime (427543703) 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, 645506 + ... + 646167.

It is an arithmetic number, because the mean of its divisors is an integer number (107208942).

Almost surely, 2^427543763 is an apocalyptic number.

427543763 is a deficient number, since it is larger than the sum of its proper divisors (1292005).

427543763 is a wasteful number, since it uses less digits than its factorization.

427543763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292004.

The product of its digits is 423360, while the sum is 41.

The square root of 427543763 is about 20677.1314016234. The cubic root of 427543763 is about 753.3443320546.

The spelling of 427543763 in words is "four hundred twenty-seven million, five hundred forty-three thousand, seven hundred sixty-three".