42110879 has 4 divisors (see below), whose sum is σ = 42232584. Its totient is φ = 41989176.

The previous prime is 42110851. The next prime is 42110891. The reversal of 42110879 is 97801124.

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 42110879 - 2²⁴ = 25333663 is a prime.

It is a super-2 number, since 2×42110879² = 3546652260305282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42112879) 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, 60332 + ... + 61025.

It is an arithmetic number, because the mean of its divisors is an integer number (10558146).

Almost surely, 2^42110879 is an apocalyptic number.

42110879 is a deficient number, since it is larger than the sum of its proper divisors (121705).

42110879 is a wasteful number, since it uses less digits than its factorization.

42110879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121704.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 42110879 is about 6489.2895604989. The cubic root of 42110879 is about 347.9082832901.

The spelling of 42110879 in words is "forty-two million, one hundred ten thousand, eight hundred seventy-nine".