42087883 has 4 divisors (see below), whose sum is σ = 42882048. Its totient is φ = 41293720.

The previous prime is 42087823. The next prime is 42087887. The reversal of 42087883 is 38878024.

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 42087883 - 2⁹ = 42087371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42087887) 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, 397003 + ... + 397108.

It is an arithmetic number, because the mean of its divisors is an integer number (10720512).

Almost surely, 2^42087883 is an apocalyptic number.

42087883 is a deficient number, since it is larger than the sum of its proper divisors (794165).

42087883 is an equidigital number, since it uses as much as digits as its factorization.

42087883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794164.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 42087883 is about 6487.5174758917. The cubic root of 42087883 is about 347.8449429228.

The spelling of 42087883 in words is "forty-two million, eighty-seven thousand, eight hundred eighty-three".