2115179798 has 4 divisors (see below), whose sum is σ = 3172769700. Its totient is φ = 1057589898.

The previous prime is 2115179783. The next prime is 2115179837. The reversal of 2115179798 is 8979715112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528794948 + ... + 528794951.

It is an arithmetic number, because the mean of its divisors is an integer number (793192425).

Almost surely, 2^2115179798 is an apocalyptic number.

2115179798 is a deficient number, since it is larger than the sum of its proper divisors (1057589902).

2115179798 is a wasteful number, since it uses less digits than its factorization.

2115179798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057589901.

The product of its digits is 317520, while the sum is 50.

The square root of 2115179798 is about 45991.0838967729. The cubic root of 2115179798 is about 1283.6573050335.

The spelling of 2115179798 in words is "two billion, one hundred fifteen million, one hundred seventy-nine thousand, seven hundred ninety-eight".