2660873797 has 4 divisors (see below), whose sum is σ = 2672595936. Its totient is φ = 2649151660.

The previous prime is 2660873773. The next prime is 2660873819. The reversal of 2660873797 is 7973780662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2660873797 - 2¹¹ = 2660871749 is a prime.

It is a super-2 number, since 2×2660873797² = 14160498727122394418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660873707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5860729 + ... + 5861182.

It is an arithmetic number, because the mean of its divisors is an integer number (668148984).

Almost surely, 2^2660873797 is an apocalyptic number.

It is an amenable number.

2660873797 is a deficient number, since it is larger than the sum of its proper divisors (11722139).

2660873797 is a wasteful number, since it uses less digits than its factorization.

2660873797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11722138.

The product of its (nonzero) digits is 5334336, while the sum is 55.

The square root of 2660873797 is about 51583.6582359181. The cubic root of 2660873797 is about 1385.7176828440.

The spelling of 2660873797 in words is "two billion, six hundred sixty million, eight hundred seventy-three thousand, seven hundred ninety-seven".