427787466 has 8 divisors (see below), whose sum is σ = 855574944. Its totient is φ = 142595820.

The previous prime is 427787447. The next prime is 427787491. The reversal of 427787466 is 664787724.

It is a happy number.

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

427787466 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35648950 + ... + 35648961.

It is an arithmetic number, because the mean of its divisors is an integer number (106946868).

Almost surely, 2^427787466 is an apocalyptic number.

427787466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427787466 is a wasteful number, since it uses less digits than its factorization.

427787466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71297916.

The product of its digits is 3161088, while the sum is 51.

The square root of 427787466 is about 20683.0236184171. The cubic root of 427787466 is about 753.4874420843.

The spelling of 427787466 in words is "four hundred twenty-seven million, seven hundred eighty-seven thousand, four hundred sixty-six".