842214187 has 8 divisors (see below), whose sum is σ = 905067216. Its totient is φ = 780840192.

The previous prime is 842214173. The next prime is 842214257. The reversal of 842214187 is 781412248.

It is a happy number.

842214187 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 842214187 - 2¹¹ = 842212139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (842214137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368578 + ... + 370855.

It is an arithmetic number, because the mean of its divisors is an integer number (113133402).

Almost surely, 2^842214187 is an apocalyptic number.

842214187 is a deficient number, since it is larger than the sum of its proper divisors (62853029).

842214187 is a wasteful number, since it uses less digits than its factorization.

842214187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739517.

The product of its digits is 28672, while the sum is 37.

The square root of 842214187 is about 29020.9267081532. The cubic root of 842214187 is about 944.3671049436.

The spelling of 842214187 in words is "eight hundred forty-two million, two hundred fourteen thousand, one hundred eighty-seven".