42877866 has 8 divisors (see below), whose sum is σ = 85755744. Its totient is φ = 14292620.

The previous prime is 42877847. The next prime is 42877871. The reversal of 42877866 is 66877824.

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

42877866 is an admirable number.

It is a super-2 number, since 2×42877866² = 3677022785427912, 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, 3573150 + ... + 3573161.

It is an arithmetic number, because the mean of its divisors is an integer number (10719468).

Almost surely, 2^42877866 is an apocalyptic number.

42877866 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.

42877866 is a wasteful number, since it uses less digits than its factorization.

42877866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7146316.

The product of its digits is 903168, while the sum is 48.

The square root of 42877866 is about 6548.1192719742. The cubic root of 42877866 is about 350.0077984657.

The spelling of 42877866 in words is "forty-two million, eight hundred seventy-seven thousand, eight hundred sixty-six".