214991527827 has 8 divisors (see below), whose sum is σ = 286661894400. Its totient is φ = 143324423240.

The previous prime is 214991527819. The next prime is 214991527847. The reversal of 214991527827 is 728725199412.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 214991527827 - 2³ = 214991527819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214991527847) 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, 657327 + ... + 928472.

It is an arithmetic number, because the mean of its divisors is an integer number (35832736800).

Almost surely, 2^214991527827 is an apocalyptic number.

214991527827 is a deficient number, since it is larger than the sum of its proper divisors (71670366573).

214991527827 is a wasteful number, since it uses less digits than its factorization.

214991527827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630993.

The product of its digits is 5080320, while the sum is 57.

The spelling of 214991527827 in words is "two hundred fourteen billion, nine hundred ninety-one million, five hundred twenty-seven thousand, eight hundred twenty-seven".