728266662827 has 12 divisors (see below), whose sum is σ = 830516860824. Its totient is φ = 633275353920.

The previous prime is 728266662791. The next prime is 728266662833.

It is a happy number.

728266662827 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 728266662827 - 2²² = 728262468523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 728266662827.

It is not an unprimeable number, because it can be changed into a prime (728266661827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62570798 + ... + 62582435.

It is an arithmetic number, because the mean of its divisors is an integer number (69209738402).

Almost surely, 2^728266662827 is an apocalyptic number.

728266662827 is a deficient number, since it is larger than the sum of its proper divisors (102250197997).

728266662827 is a wasteful number, since it uses less digits than its factorization.

728266662827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125153290 (or 125153267 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 62.

The spelling of 728266662827 in words is "seven hundred twenty-eight billion, two hundred sixty-six million, six hundred sixty-two thousand, eight hundred twenty-seven".