8122727245 has 16 divisors (see below), whose sum is σ = 10474688448. Its totient is φ = 6024648960.

The previous prime is 8122727231. The next prime is 8122727251. The reversal of 8122727245 is 5427272218.

It is not a de Polignac number, because 8122727245 - 2¹³ = 8122719053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8122727198 and 8122727207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707451 + ... + 718840.

It is an arithmetic number, because the mean of its divisors is an integer number (654668028).

Almost surely, 2^8122727245 is an apocalyptic number.

8122727245 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8122727245 is a deficient number, since it is larger than the sum of its proper divisors (2351961203).

8122727245 is a wasteful number, since it uses less digits than its factorization.

8122727245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426380.

The product of its digits is 125440, while the sum is 40.

The square root of 8122727245 is about 90126.1740284142. The cubic root of 8122727245 is about 2010.1754131047.

The spelling of 8122727245 in words is "eight billion, one hundred twenty-two million, seven hundred twenty-seven thousand, two hundred forty-five".