728822812541 has 8 divisors (see below), whose sum is σ = 732063295584. Its totient is φ = 725582591440.

The previous prime is 728822812493. The next prime is 728822812547. The reversal of 728822812541 is 145218228827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 728822812541 - 2⁶ = 728822812477 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 728822812541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728822812547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7390031 + ... + 7488003.

It is an arithmetic number, because the mean of its divisors is an integer number (91507911948).

Almost surely, 2^728822812541 is an apocalyptic number.

It is an amenable number.

728822812541 is a deficient number, since it is larger than the sum of its proper divisors (3240483043).

728822812541 is a wasteful number, since it uses less digits than its factorization.

728822812541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130971.

The product of its digits is 1146880, while the sum is 50.

The spelling of 728822812541 in words is "seven hundred twenty-eight billion, eight hundred twenty-two million, eight hundred twelve thousand, five hundred forty-one".