42877147 has 4 divisors (see below), whose sum is σ = 43277976. Its totient is φ = 42476320.

The previous prime is 42877141. The next prime is 42877151. The reversal of 42877147 is 74177824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42877147 - 2³ = 42877139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42877141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200254 + ... + 200467.

It is an arithmetic number, because the mean of its divisors is an integer number (10819494).

Almost surely, 2^42877147 is an apocalyptic number.

42877147 is a deficient number, since it is larger than the sum of its proper divisors (400829).

42877147 is a wasteful number, since it uses less digits than its factorization.

42877147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400828.

The product of its digits is 87808, while the sum is 40.

The square root of 42877147 is about 6548.0643704838. The cubic root of 42877147 is about 350.0058420794.

The spelling of 42877147 in words is "forty-two million, eight hundred seventy-seven thousand, one hundred forty-seven".