28147548748 has 12 divisors (see below), whose sum is σ = 53736229512. Its totient is φ = 12794340320.

The previous prime is 28147548743. The next prime is 28147548761. The reversal of 28147548748 is 84784574182.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28147548692 and 28147548701.

It is not an unprimeable number, because it can be changed into a prime (28147548743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319858465 + ... + 319858552.

It is an arithmetic number, because the mean of its divisors is an integer number (4478019126).

Almost surely, 2^28147548748 is an apocalyptic number.

It is an amenable number.

28147548748 is a deficient number, since it is larger than the sum of its proper divisors (25588680764).

28147548748 is a wasteful number, since it uses less digits than its factorization.

28147548748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639717032 (or 639717030 counting only the distinct ones).

The product of its digits is 16056320, while the sum is 58.

The spelling of 28147548748 in words is "twenty-eight billion, one hundred forty-seven million, five hundred forty-eight thousand, seven hundred forty-eight".