2115327798 has 60 divisors (see below), whose sum is σ = 4995395460. Its totient is φ = 667192464.

The previous prime is 2115327763. The next prime is 2115327821. The reversal of 2115327798 is 8977235112.

2115327798 is a `hidden beast` number, since 21 + 1 + 532 + 7 + 7 + 98 = 666.

It is a super-2 number, since 2×2115327798² = 8949223385983057608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2551248 + ... + 2552076.

It is an arithmetic number, because the mean of its divisors is an integer number (83256591).

Almost surely, 2^2115327798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2115327798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2497697730).

2115327798 is an abundant number, since it is smaller than the sum of its proper divisors (2880067662).

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

2115327798 is an frugal number, since it uses more digits than its factorization.

2115327798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691 (or 853 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 2115327798 is about 45992.6928761515. The cubic root of 2115327798 is about 1283.6872436784.

The spelling of 2115327798 in words is "two billion, one hundred fifteen million, three hundred twenty-seven thousand, seven hundred ninety-eight".