427520863 has 8 divisors (see below), whose sum is σ = 533013120. Its totient is φ = 333133080.

The previous prime is 427520861. The next prime is 427520867. The reversal of 427520863 is 368025724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 427520863 - 2¹ = 427520861 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 (427520861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2776033 + ... + 2776186.

It is an arithmetic number, because the mean of its divisors is an integer number (66626640).

Almost surely, 2^427520863 is an apocalyptic number.

427520863 is a deficient number, since it is larger than the sum of its proper divisors (105492257).

427520863 is a wasteful number, since it uses less digits than its factorization.

427520863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552237.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 427520863 is about 20676.5776423469. The cubic root of 427520863 is about 753.3308816629.

The spelling of 427520863 in words is "four hundred twenty-seven million, five hundred twenty thousand, eight hundred sixty-three".