2772897581999 has 4 divisors (see below), whose sum is σ = 2773292982936. Its totient is φ = 2772502181064.

The previous prime is 2772897581977. The next prime is 2772897582017. The reversal of 2772897581999 is 9991857982772.

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

It is a cyclic number.

It is not a de Polignac number, because 2772897581999 - 2²⁸ = 2772629146543 is a prime.

It is a super-2 number, since 2×2772897581999² (a number of 26 digits) 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 (2772897581929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197689949 + ... + 197703974.

It is an arithmetic number, because the mean of its divisors is an integer number (693323245734).

Almost surely, 2^{2772897581999} is an apocalyptic number.

2772897581999 is a deficient number, since it is larger than the sum of its proper divisors (395400937).

2772897581999 is an equidigital number, since it uses as much as digits as its factorization.

2772897581999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395400936.

The product of its digits is 2880541440, while the sum is 83.

The spelling of 2772897581999 in words is "two trillion, seven hundred seventy-two billion, eight hundred ninety-seven million, five hundred eighty-one thousand, nine hundred ninety-nine".