728837364258 has 32 divisors (see below), whose sum is σ = 1671884997120. Its totient is φ = 235108826640.

The previous prime is 728837364251. The next prime is 728837364271. The reversal of 728837364258 is 852463738827.

728837364258 is a `hidden beast` number, since 7 + 2 + 8 + 8 + 373 + 6 + 4 + 258 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 728837364195 and 728837364204.

It is not an unprimeable number, because it can be changed into a prime (728837364251) 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, 217691685 + ... + 217695032.

It is an arithmetic number, because the mean of its divisors is an integer number (52246406160).

Almost surely, 2^728837364258 is an apocalyptic number.

728837364258 is an abundant number, since it is smaller than the sum of its proper divisors (943047632862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

728837364258 is a wasteful number, since it uses less digits than its factorization.

728837364258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435386759 (or 435386753 counting only the distinct ones).

The product of its digits is 108380160, while the sum is 63.

The spelling of 728837364258 in words is "seven hundred twenty-eight billion, eight hundred thirty-seven million, three hundred sixty-four thousand, two hundred fifty-eight".