214871723928 has 96 divisors (see below), whose sum is σ = 587107310400. Its totient is φ = 70990093824.

The previous prime is 214871723921. The next prime is 214871723947. The reversal of 214871723928 is 829327178412.

214871723928 is a `hidden beast` number, since 2 + 1 + 4 + 87 + 172 + 392 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214871723921) 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, 6424513 + ... + 6457871.

It is an arithmetic number, because the mean of its divisors is an integer number (6115701150).

Almost surely, 2^214871723928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214871723928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293553655200).

214871723928 is an abundant number, since it is smaller than the sum of its proper divisors (372235586472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214871723928 is a wasteful number, since it uses less digits than its factorization.

214871723928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34161 (or 34154 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The spelling of 214871723928 in words is "two hundred fourteen billion, eight hundred seventy-one million, seven hundred twenty-three thousand, nine hundred twenty-eight".