42087876 has 12 divisors (see below), whose sum is σ = 98205072. Its totient is φ = 14029288.

The previous prime is 42087823. The next prime is 42087887. The reversal of 42087876 is 67878024.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1753650 + ... + 1753673.

It is an arithmetic number, because the mean of its divisors is an integer number (8183756).

Almost surely, 2^42087876 is an apocalyptic number.

It is an amenable number.

42087876 is an abundant number, since it is smaller than the sum of its proper divisors (56117196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42087876 is a wasteful number, since it uses less digits than its factorization.

42087876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507330 (or 3507328 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 42087876 is about 6487.5169363941. The cubic root of 42087876 is about 347.8449236384.

The spelling of 42087876 in words is "forty-two million, eighty-seven thousand, eight hundred seventy-six".