42899878 has 16 divisors (see below), whose sum is σ = 74430720. Its totient is φ = 18163656.

The previous prime is 42899863. The next prime is 42899933. The reversal of 42899878 is 87899824.

42899878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17298 + ... + 19621.

It is an arithmetic number, because the mean of its divisors is an integer number (4651920).

Almost surely, 2^42899878 is an apocalyptic number.

42899878 is a deficient number, since it is larger than the sum of its proper divisors (31530842).

42899878 is a wasteful number, since it uses less digits than its factorization.

42899878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37011.

The product of its digits is 2322432, while the sum is 55.

The square root of 42899878 is about 6549.7998442701. The cubic root of 42899878 is about 350.0676821490.

The spelling of 42899878 in words is "forty-two million, eight hundred ninety-nine thousand, eight hundred seventy-eight".