214031878 has 4 divisors (see below), whose sum is σ = 321047820. Its totient is φ = 107015938.

The previous prime is 214031809. The next prime is 214031879. The reversal of 214031878 is 878130412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214031879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53507968 + ... + 53507971.

It is an arithmetic number, because the mean of its divisors is an integer number (80261955).

Almost surely, 2^214031878 is an apocalyptic number.

214031878 is a deficient number, since it is larger than the sum of its proper divisors (107015942).

214031878 is a wasteful number, since it uses less digits than its factorization.

214031878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107015941.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 214031878 is about 14629.8283653637. The cubic root of 214031878 is about 598.1721017833.

The spelling of 214031878 in words is "two hundred fourteen million, thirty-one thousand, eight hundred seventy-eight".