42771866 has 8 divisors (see below), whose sum is σ = 64480800. Its totient is φ = 21278268.

The previous prime is 42771857. The next prime is 42771913. The reversal of 42771866 is 66817724.

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

It is a super-2 number, since 2×42771866² = 3658865042243912, which contains 22 as substring.

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, 53336 + ... + 54131.

It is an arithmetic number, because the mean of its divisors is an integer number (8060100).

Almost surely, 2^42771866 is an apocalyptic number.

42771866 is a deficient number, since it is larger than the sum of its proper divisors (21708934).

42771866 is a wasteful number, since it uses less digits than its factorization.

42771866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107668.

The product of its digits is 112896, while the sum is 41.

The square root of 42771866 is about 6540.0203363598. The cubic root of 42771866 is about 349.7191379442.

The spelling of 42771866 in words is "forty-two million, seven hundred seventy-one thousand, eight hundred sixty-six".