42877799 has 4 divisors (see below), whose sum is σ = 43151064. Its totient is φ = 42604536.

The previous prime is 42877777. The next prime is 42877801. The reversal of 42877799 is 99777824.

42877799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42877799 - 2²⁴ = 26100583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42877799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42877729) 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 3 ways as a sum of consecutive naturals, for example, 136397 + ... + 136710.

It is an arithmetic number, because the mean of its divisors is an integer number (10787766).

Almost surely, 2^42877799 is an apocalyptic number.

42877799 is a deficient number, since it is larger than the sum of its proper divisors (273265).

42877799 is a wasteful number, since it uses less digits than its factorization.

42877799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273264.

The product of its digits is 1778112, while the sum is 53.

The square root of 42877799 is about 6548.1141559994. The cubic root of 42877799 is about 350.0076161608.

The spelling of 42877799 in words is "forty-two million, eight hundred seventy-seven thousand, seven hundred ninety-nine".