213627757056 has 240 divisors, whose sum is σ = 663075372960. Its totient is φ = 60940615680.

The previous prime is 213627757043. The next prime is 213627757061. The reversal of 213627757056 is 650757726312.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57876171 + ... + 57879861.

It is an arithmetic number, because the mean of its divisors is an integer number (2762814054).

Almost surely, 2^213627757056 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 213627757056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331537686480).

213627757056 is an abundant number, since it is smaller than the sum of its proper divisors (449447615904).

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

213627757056 is an equidigital number, since it uses as much as digits as its factorization.

213627757056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4495 (or 4472 counting only the distinct ones).

The product of its (nonzero) digits is 3704400, while the sum is 51.

The spelling of 213627757056 in words is "two hundred thirteen billion, six hundred twenty-seven million, seven hundred fifty-seven thousand, fifty-six".