42087167 has 12 divisors (see below), whose sum is σ = 43965936. Its totient is φ = 40279680.

The previous prime is 42087151. The next prime is 42087169. The reversal of 42087167 is 76178024.

It is a happy number.

It is not a de Polignac number, because 42087167 - 2⁴ = 42087151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42087169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96983 + ... + 97415.

It is an arithmetic number, because the mean of its divisors is an integer number (3663828).

Almost surely, 2^42087167 is an apocalyptic number.

42087167 is a deficient number, since it is larger than the sum of its proper divisors (1878769).

42087167 is an equidigital number, since it uses as much as digits as its factorization.

42087167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 42087167 is about 6487.4622927613. The cubic root of 42087167 is about 347.8429703963.

The spelling of 42087167 in words is "forty-two million, eighty-seven thousand, one hundred sixty-seven".