28477608 has 32 divisors (see below), whose sum is σ = 71332800. Its totient is φ = 9474048.

The previous prime is 28477577. The next prime is 28477619. The reversal of 28477608 is 80677482.

It is a self number, because there is not a number n which added to its sum of digits gives 28477608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17685 + ... + 19227.

It is an arithmetic number, because the mean of its divisors is an integer number (2229150).

Almost surely, 2^28477608 is an apocalyptic number.

It is an amenable number.

28477608 is an abundant number, since it is smaller than the sum of its proper divisors (42855192).

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

28477608 is a wasteful number, since it uses less digits than its factorization.

28477608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321 (or 2317 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 28477608 is about 5336.4415109696. The cubic root of 28477608 is about 305.3757190046.

The spelling of 28477608 in words is "twenty-eight million, four hundred seventy-seven thousand, six hundred eight".