214215454827 has 24 divisors (see below), whose sum is σ = 338283913968. Its totient is φ = 129545899200.

The previous prime is 214215454823. The next prime is 214215454877. The reversal of 214215454827 is 728454512412.

214215454827 is a `hidden beast` number, since 2 + 1 + 4 + 21 + 545 + 4 + 82 + 7 = 666.

It is not a de Polignac number, because 214215454827 - 2² = 214215454823 is a prime.

It is a super-2 number, since 2×214215454827² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214215454823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2301208 + ... + 2392485.

It is an arithmetic number, because the mean of its divisors is an integer number (14095163082).

Almost surely, 2^214215454827 is an apocalyptic number.

214215454827 is a deficient number, since it is larger than the sum of its proper divisors (124068459141).

214215454827 is a wasteful number, since it uses less digits than its factorization.

214215454827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4694171 (or 4694168 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The spelling of 214215454827 in words is "two hundred fourteen billion, two hundred fifteen million, four hundred fifty-four thousand, eight hundred twenty-seven".