7727274122213 has 4 divisors (see below), whose sum is σ = 7727364230700. Its totient is φ = 7727184013728.

The previous prime is 7727274122167. The next prime is 7727274122261. The reversal of 7727274122213 is 3122214727277.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3814861329889 + 3912412792324 = 1953167^2 + 1977982^2 .

It is a cyclic number.

It is not a de Polignac number, because 7727274122213 - 2²⁴ = 7727257344997 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 (7727274125213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44925488 + ... + 45097161.

It is an arithmetic number, because the mean of its divisors is an integer number (1931841057675).

Almost surely, 2^{7727274122213} is an apocalyptic number.

It is an amenable number.

7727274122213 is a deficient number, since it is larger than the sum of its proper divisors (90108487).

7727274122213 is an equidigital number, since it uses as much as digits as its factorization.

7727274122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90108486.

The product of its digits is 921984, while the sum is 47.

It can be divided in two parts, 7727274 and 122213, that added together give a palindrome (7849487).

The spelling of 7727274122213 in words is "seven trillion, seven hundred twenty-seven billion, two hundred seventy-four million, one hundred twenty-two thousand, two hundred thirteen".