214853978 has 8 divisors (see below), whose sum is σ = 322776468. Its totient is φ = 107261824.

The previous prime is 214853959. The next prime is 214853999. The reversal of 214853978 is 879358412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 188156089 + 26697889 = 13717^2 + 5167^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 80951 + ... + 83562.

Almost surely, 2^214853978 is an apocalyptic number.

214853978 is a deficient number, since it is larger than the sum of its proper divisors (107922490).

214853978 is a wasteful number, since it uses less digits than its factorization.

214853978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165168.

The product of its digits is 483840, while the sum is 47.

The square root of 214853978 is about 14657.8981440041. The cubic root of 214853978 is about 598.9369863005.

The spelling of 214853978 in words is "two hundred fourteen million, eight hundred fifty-three thousand, nine hundred seventy-eight".