28558671452 has 24 divisors (see below), whose sum is σ = 50351710080. Its totient is φ = 14172528240.

The previous prime is 28558671451. The next prime is 28558671497. The reversal of 28558671452 is 25417685582.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28558671394 and 28558671403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28558671451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3104003 + ... + 3113189.

It is an arithmetic number, because the mean of its divisors is an integer number (2097987920).

Almost surely, 2^28558671452 is an apocalyptic number.

It is an amenable number.

28558671452 is a deficient number, since it is larger than the sum of its proper divisors (21793038628).

28558671452 is a wasteful number, since it uses less digits than its factorization.

28558671452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14921 (or 14919 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 53.

The spelling of 28558671452 in words is "twenty-eight billion, five hundred fifty-eight million, six hundred seventy-one thousand, four hundred fifty-two".