7607728664 has 16 divisors (see below), whose sum is σ = 14336902800. Its totient is φ = 3784554592.

The previous prime is 7607728651. The next prime is 7607728669. The reversal of 7607728664 is 4668277067.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7607728669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2412044 + ... + 2415195.

It is an arithmetic number, because the mean of its divisors is an integer number (896056425).

Almost surely, 2^7607728664 is an apocalyptic number.

It is an amenable number.

7607728664 is a deficient number, since it is larger than the sum of its proper divisors (6729174136).

7607728664 is a wasteful number, since it uses less digits than its factorization.

7607728664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4827442 (or 4827438 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 53.

The square root of 7607728664 is about 87222.2945352850. The cubic root of 7607728664 is about 1966.7613792300.

The spelling of 7607728664 in words is "seven billion, six hundred seven million, seven hundred twenty-eight thousand, six hundred sixty-four".