728877650603 has 4 divisors (see below), whose sum is σ = 737659309128. Its totient is φ = 720095992080.

The previous prime is 728877650597. The next prime is 728877650621. The reversal of 728877650603 is 306056778827.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 728877650603 - 2¹⁰ = 728877649579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728877650803) 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, 4390829138 + ... + 4390829303.

It is an arithmetic number, because the mean of its divisors is an integer number (184414827282).

Almost surely, 2^728877650603 is an apocalyptic number.

728877650603 is a deficient number, since it is larger than the sum of its proper divisors (8781658525).

728877650603 is an equidigital number, since it uses as much as digits as its factorization.

728877650603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8781658524.

The product of its (nonzero) digits is 23708160, while the sum is 59.

The spelling of 728877650603 in words is "seven hundred twenty-eight billion, eight hundred seventy-seven million, six hundred fifty thousand, six hundred three".