211730077350 has 216 divisors, whose sum is σ = 646828444080. Its totient is φ = 49558185600.

The previous prime is 211730077313. The next prime is 211730077367. The reversal of 211730077350 is 53770037112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1512007 + ... + 1646093.

It is an arithmetic number, because the mean of its divisors is an integer number (2994576130).

Almost surely, 2^211730077350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211730077350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323414222040).

211730077350 is an abundant number, since it is smaller than the sum of its proper divisors (435098366730).

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

211730077350 is a wasteful number, since it uses less digits than its factorization.

211730077350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134156 (or 134137 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 36.

The spelling of 211730077350 in words is "two hundred eleven billion, seven hundred thirty million, seventy-seven thousand, three hundred fifty".