427396783 has 32 divisors (see below), whose sum is σ = 495452160. Its totient is φ = 365148000.

The previous prime is 427396771. The next prime is 427396789. The reversal of 427396783 is 387693724.

It is a cyclic number.

It is not a de Polignac number, because 427396783 - 2⁹ = 427396271 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 (427396789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3074728 + ... + 3074866.

It is an arithmetic number, because the mean of its divisors is an integer number (15482880).

Almost surely, 2^427396783 is an apocalyptic number.

427396783 is a deficient number, since it is larger than the sum of its proper divisors (68055377).

427396783 is a wasteful number, since it uses less digits than its factorization.

427396783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379.

The product of its digits is 1524096, while the sum is 49.

The square root of 427396783 is about 20673.5769280500. The cubic root of 427396783 is about 753.2579945064.

The spelling of 427396783 in words is "four hundred twenty-seven million, three hundred ninety-six thousand, seven hundred eighty-three".