728411746127 has 4 divisors (see below), whose sum is σ = 784443418920. Its totient is φ = 672380073336.

The previous prime is 728411746121. The next prime is 728411746171. The reversal of 728411746127 is 721647114827.

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 728411746127 - 2¹² = 728411742031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728411746121) 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, 28015836377 + ... + 28015836402.

It is an arithmetic number, because the mean of its divisors is an integer number (196110854730).

Almost surely, 2^728411746127 is an apocalyptic number.

728411746127 is a deficient number, since it is larger than the sum of its proper divisors (56031672793).

728411746127 is a wasteful number, since it uses less digits than its factorization.

728411746127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56031672792.

The product of its digits is 1053696, while the sum is 50.

The spelling of 728411746127 in words is "seven hundred twenty-eight billion, four hundred eleven million, seven hundred forty-six thousand, one hundred twenty-seven".