7662897064 has 16 divisors (see below), whose sum is σ = 14376306420. Its totient is φ = 3829215360.

The previous prime is 7662897059. The next prime is 7662897071. The reversal of 7662897064 is 4607982667.

It can be written as a sum of positive squares in 2 ways, for example, as 7164268164 + 498628900 = 84642^2 + 22330^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7662896996 and 7662897014.

It is an unprimeable number.

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, 264519 + ... + 292054.

Almost surely, 2^7662897064 is an apocalyptic number.

It is an amenable number.

7662897064 is a deficient number, since it is larger than the sum of its proper divisors (6713409356).

7662897064 is a wasteful number, since it uses less digits than its factorization.

7662897064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558300 (or 558296 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 55.

The square root of 7662897064 is about 87537.9749822898. The cubic root of 7662897064 is about 1971.5040061132.

The spelling of 7662897064 in words is "seven billion, six hundred sixty-two million, eight hundred ninety-seven thousand, sixty-four".