28603827072 has 48 divisors (see below), whose sum is σ = 82310495280. Its totient is φ = 9534608640.

The previous prime is 28603827047. The next prime is 28603827073. The reversal of 28603827072 is 27072830682.

28603827072 is a `hidden beast` number, since 286 + 0 + 38 + 270 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28603827073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12413704 + ... + 12416007.

It is an arithmetic number, because the mean of its divisors is an integer number (1714801985).

Almost surely, 2^28603827072 is an apocalyptic number.

It is an amenable number.

28603827072 is an abundant number, since it is smaller than the sum of its proper divisors (53706668208).

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

28603827072 is a wasteful number, since it uses less digits than its factorization.

28603827072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24829731 (or 24829716 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 28603827072 in words is "twenty-eight billion, six hundred three million, eight hundred twenty-seven thousand, seventy-two".