7647722445 has 32 divisors (see below), whose sum is σ = 13372053120. Its totient is φ = 3701514240.

The previous prime is 7647722431. The next prime is 7647722447. The reversal of 7647722445 is 5442277467.

It is not a de Polignac number, because 7647722445 - 2¹¹ = 7647720397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7647722394 and 7647722403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7647722447) 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 31 ways as a sum of consecutive naturals, for example, 55041 + ... + 135369.

It is an arithmetic number, because the mean of its divisors is an integer number (417876660).

Almost surely, 2^7647722445 is an apocalyptic number.

It is an amenable number.

7647722445 is a deficient number, since it is larger than the sum of its proper divisors (5724330675).

7647722445 is a wasteful number, since it uses less digits than its factorization.

7647722445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80925.

The product of its digits is 2634240, while the sum is 48.

The square root of 7647722445 is about 87451.2575381281. The cubic root of 7647722445 is about 1970.2017748785.

The spelling of 7647722445 in words is "seven billion, six hundred forty-seven million, seven hundred twenty-two thousand, four hundred forty-five".