2085117700 has 36 divisors (see below), whose sum is σ = 4579238160. Its totient is φ = 823995040.

The previous prime is 2085117659. The next prime is 2085117701. The reversal of 2085117700 is 77115802.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2085117701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117310 + ... + 133909.

It is an arithmetic number, because the mean of its divisors is an integer number (127201060).

Almost surely, 2^2085117700 is an apocalyptic number.

2085117700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2085117700 is an abundant number, since it is smaller than the sum of its proper divisors (2494120460).

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

2085117700 is a wasteful number, since it uses less digits than its factorization.

2085117700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251316 (or 251309 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 2085117700 is about 45663.0890326093. The cubic root of 2085117700 is about 1277.5469171383.

The spelling of 2085117700 in words is "two billion, eighty-five million, one hundred seventeen thousand, seven hundred".