728635488007 has 16 divisors (see below), whose sum is σ = 852156532480. Its totient is φ = 609974209152.

The previous prime is 728635487959. The next prime is 728635488043. The reversal of 728635488007 is 700884536827.

728635488007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 728635488007 - 2¹¹ = 728635485959 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 (728635588007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4226719 + ... + 4395727.

It is an arithmetic number, because the mean of its divisors is an integer number (53259783280).

Almost surely, 2^728635488007 is an apocalyptic number.

728635488007 is a deficient number, since it is larger than the sum of its proper divisors (123521044473).

728635488007 is a wasteful number, since it uses less digits than its factorization.

728635488007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183382.

The product of its (nonzero) digits is 18063360, while the sum is 58.

The spelling of 728635488007 in words is "seven hundred twenty-eight billion, six hundred thirty-five million, four hundred eighty-eight thousand, seven".