42877284 has 12 divisors (see below), whose sum is σ = 100047024. Its totient is φ = 14292424.

The previous prime is 42877277. The next prime is 42877291. The reversal of 42877284 is 48277824.

It is an interprime number because it is at equal distance from previous prime (42877277) and next prime (42877291).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×42877284² = 3676922966433312, 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, 1786542 + ... + 1786565.

It is an arithmetic number, because the mean of its divisors is an integer number (8337252).

Almost surely, 2^42877284 is an apocalyptic number.

It is an amenable number.

42877284 is an abundant number, since it is smaller than the sum of its proper divisors (57169740).

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

42877284 is a wasteful number, since it uses less digits than its factorization.

42877284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573114 (or 3573112 counting only the distinct ones).

The product of its digits is 200704, while the sum is 42.

The square root of 42877284 is about 6548.0748315822. The cubic root of 42877284 is about 350.0062148556.

The spelling of 42877284 in words is "forty-two million, eight hundred seventy-seven thousand, two hundred eighty-four".