7678297568 has 24 divisors (see below), whose sum is σ = 15250431168. Its totient is φ = 3805172224.

The previous prime is 7678297559. The next prime is 7678297597. The reversal of 7678297568 is 8657928767.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058096 + ... + 1065327.

It is an arithmetic number, because the mean of its divisors is an integer number (635434632).

Almost surely, 2^7678297568 is an apocalyptic number.

It is an amenable number.

7678297568 is a deficient number, since it is larger than the sum of its proper divisors (7572133600).

7678297568 is a wasteful number, since it uses less digits than its factorization.

7678297568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123546 (or 2123538 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 65.

The square root of 7678297568 is about 87625.8955332269. The cubic root of 7678297568 is about 1972.8238654149.

The spelling of 7678297568 in words is "seven billion, six hundred seventy-eight million, two hundred ninety-seven thousand, five hundred sixty-eight".