728611286648 has 64 divisors (see below), whose sum is σ = 1564145856000. Its totient is φ = 311695293312.

The previous prime is 728611286629. The next prime is 728611286657. The reversal of 728611286648 is 846682116827.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95326715 + ... + 95334357.

It is an arithmetic number, because the mean of its divisors is an integer number (24439779000).

Almost surely, 2^728611286648 is an apocalyptic number.

It is an amenable number.

728611286648 is an abundant number, since it is smaller than the sum of its proper divisors (835534569352).

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

728611286648 is a wasteful number, since it uses less digits than its factorization.

728611286648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10524 (or 10520 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 59.

The spelling of 728611286648 in words is "seven hundred twenty-eight billion, six hundred eleven million, two hundred eighty-six thousand, six hundred forty-eight".