7628934869566 has 16 divisors (see below), whose sum is σ = 11479978881360. Its totient is φ = 3802276244160.

The previous prime is 7628934869561. The next prime is 7628934869573. The reversal of 7628934869566 is 6659684398267.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7628934869561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15815905 + ... + 16291123.

It is an arithmetic number, because the mean of its divisors is an integer number (717498680085).

Almost surely, 2^{7628934869566} is an apocalyptic number.

7628934869566 is a deficient number, since it is larger than the sum of its proper divisors (3851044011794).

7628934869566 is a wasteful number, since it uses less digits than its factorization.

7628934869566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500859.

The product of its digits is 5643509760, while the sum is 79.

The spelling of 7628934869566 in words is "seven trillion, six hundred twenty-eight billion, nine hundred thirty-four million, eight hundred sixty-nine thousand, five hundred sixty-six".