42887793 has 8 divisors (see below), whose sum is σ = 61582528. Its totient is φ = 26392464.

The previous prime is 42887783. The next prime is 42887809. The reversal of 42887793 is 39778824.

42887793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42887793 - 2⁴ = 42887777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42887783) 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 7 ways as a sum of consecutive naturals, for example, 549805 + ... + 549882.

It is an arithmetic number, because the mean of its divisors is an integer number (7697816).

Almost surely, 2^42887793 is an apocalyptic number.

It is an amenable number.

42887793 is a deficient number, since it is larger than the sum of its proper divisors (18694735).

42887793 is a wasteful number, since it uses less digits than its factorization.

42887793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099703.

The product of its digits is 677376, while the sum is 48.

The square root of 42887793 is about 6548.8772320147. The cubic root of 42887793 is about 350.0348074226.

The spelling of 42887793 in words is "forty-two million, eight hundred eighty-seven thousand, seven hundred ninety-three".