427716578 has 16 divisors (see below), whose sum is σ = 646872480. Its totient is φ = 212100096.

The previous prime is 427716577. The next prime is 427716587. The reversal of 427716578 is 875617724.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (427716577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126818 + ... + 130146.

It is an arithmetic number, because the mean of its divisors is an integer number (40429530).

Almost surely, 2^427716578 is an apocalyptic number.

427716578 is a deficient number, since it is larger than the sum of its proper divisors (219155902).

427716578 is a wasteful number, since it uses less digits than its factorization.

427716578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841.

The product of its digits is 658560, while the sum is 47.

The square root of 427716578 is about 20681.3098714757. The cubic root of 427716578 is about 753.4458200385.

The spelling of 427716578 in words is "four hundred twenty-seven million, seven hundred sixteen thousand, five hundred seventy-eight".