2772917813 has 4 divisors (see below), whose sum is σ = 2819916480. Its totient is φ = 2725919148.

The previous prime is 2772917801. The next prime is 2772917831. The reversal of 2772917813 is 3187192772.

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 2772917813 - 2⁸ = 2772917557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772917113) 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, 23499245 + ... + 23499362.

It is an arithmetic number, because the mean of its divisors is an integer number (704979120).

Almost surely, 2^2772917813 is an apocalyptic number.

It is an amenable number.

2772917813 is a deficient number, since it is larger than the sum of its proper divisors (46998667).

2772917813 is an equidigital number, since it uses as much as digits as its factorization.

2772917813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46998666.

The product of its digits is 296352, while the sum is 47.

The square root of 2772917813 is about 52658.5018111985. The cubic root of 2772917813 is about 1404.9008196517.

The spelling of 2772917813 in words is "two billion, seven hundred seventy-two million, nine hundred seventeen thousand, eight hundred thirteen".