213547085928 has 192 divisors, whose sum is σ = 665496000000. Its totient is φ = 61180375680.

The previous prime is 213547085911. The next prime is 213547085957. The reversal of 213547085928 is 829580745312.

213547085928 is a `hidden beast` number, since 2 + 1 + 3 + 5 + 47 + 0 + 8 + 592 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7494733 + ... + 7523171.

It is an arithmetic number, because the mean of its divisors is an integer number (3466125000).

Almost surely, 2^213547085928 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 213547085928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332748000000).

213547085928 is an abundant number, since it is smaller than the sum of its proper divisors (451948914072).

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

213547085928 is a wasteful number, since it uses less digits than its factorization.

213547085928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28980 (or 28973 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 213547085928 in words is "two hundred thirteen billion, five hundred forty-seven million, eighty-five thousand, nine hundred twenty-eight".