7728097692 has 48 divisors (see below), whose sum is σ = 20997107712. Its totient is φ = 2166365760.

The previous prime is 7728097679. The next prime is 7728097697. The reversal of 7728097692 is 2967908277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7728097697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 863484 + ... + 872387.

It is an arithmetic number, because the mean of its divisors is an integer number (437439744).

Almost surely, 2^7728097692 is an apocalyptic number.

It is an amenable number.

7728097692 is an abundant number, since it is smaller than the sum of its proper divisors (13269010020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7728097692 is a wasteful number, since it uses less digits than its factorization.

7728097692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735938 (or 1735936 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 57.

The square root of 7728097692 is about 87909.5995440771. The cubic root of 7728097692 is about 1977.0798101810.

The spelling of 7728097692 in words is "seven billion, seven hundred twenty-eight million, ninety-seven thousand, six hundred ninety-two".