42887955 has 32 divisors (see below), whose sum is σ = 77448960. Its totient is φ = 20074880.

The previous prime is 42887953. The next prime is 42887963. The reversal of 42887955 is 55978824.

42887955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42887955 - 2¹ = 42887953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42887953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304 + ... + 9266.

It is an arithmetic number, because the mean of its divisors is an integer number (2420280).

Almost surely, 2^42887955 is an apocalyptic number.

42887955 is a deficient number, since it is larger than the sum of its proper divisors (34561005).

42887955 is a wasteful number, since it uses less digits than its factorization.

42887955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9011.

The product of its digits is 806400, while the sum is 48.

The square root of 42887955 is about 6548.8896005353. The cubic root of 42887955 is about 350.0352481508.

The spelling of 42887955 in words is "forty-two million, eight hundred eighty-seven thousand, nine hundred fifty-five".