427717688 has 24 divisors (see below), whose sum is σ = 851925000. Its totient is φ = 201277824.

The previous prime is 427717679. The next prime is 427717691. The reversal of 427717688 is 886717724.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90188 + ... + 94811.

It is an arithmetic number, because the mean of its divisors is an integer number (35496875).

Almost surely, 2^427717688 is an apocalyptic number.

It is an amenable number.

427717688 is a deficient number, since it is larger than the sum of its proper divisors (424207312).

427717688 is a wasteful number, since it uses less digits than its factorization.

427717688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185039 (or 185018 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 50.

The square root of 427717688 is about 20681.3367072827. The cubic root of 427717688 is about 753.4464718129.

The spelling of 427717688 in words is "four hundred twenty-seven million, seven hundred seventeen thousand, six hundred eighty-eight".