210085747908 has 24 divisors (see below), whose sum is σ = 499449138048. Its totient is φ = 68707288416.

The previous prime is 210085747903. The next prime is 210085747909. The reversal of 210085747908 is 809747580012.

It is not an unprimeable number, because it can be changed into a prime (210085747903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165161116 + ... + 165162387.

It is an arithmetic number, because the mean of its divisors is an integer number (20810380752).

Almost surely, 2^210085747908 is an apocalyptic number.

It is an amenable number.

210085747908 is an abundant number, since it is smaller than the sum of its proper divisors (289363390140).

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

210085747908 is a wasteful number, since it uses less digits than its factorization.

210085747908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330323563 (or 330323561 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 210085747908 in words is "two hundred ten billion, eighty-five million, seven hundred forty-seven thousand, nine hundred eight".