728078417835 has 16 divisors (see below), whose sum is σ = 1171901074176. Its totient is φ = 385983287648.

The previous prime is 728078417827. The next prime is 728078417837. The reversal of 728078417835 is 538714870827.

It is a cyclic number.

It is not a de Polignac number, because 728078417835 - 2³ = 728078417827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (728078417837) 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, 145322529 + ... + 145327538.

It is an arithmetic number, because the mean of its divisors is an integer number (73243817136).

Almost surely, 2^728078417835 is an apocalyptic number.

728078417835 is a deficient number, since it is larger than the sum of its proper divisors (443822656341).

728078417835 is a wasteful number, since it uses less digits than its factorization.

728078417835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290650242.

The product of its (nonzero) digits is 21073920, while the sum is 60.

The spelling of 728078417835 in words is "seven hundred twenty-eight billion, seventy-eight million, four hundred seventeen thousand, eight hundred thirty-five".