28547005476 has 24 divisors (see below), whose sum is σ = 72665105184. Its totient is φ = 8650607680.

The previous prime is 28547005451. The next prime is 28547005481. The reversal of 28547005476 is 67450074582.

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, 108132465 + ... + 108132728.

It is an arithmetic number, because the mean of its divisors is an integer number (3027712716).

Almost surely, 2^28547005476 is an apocalyptic number.

It is an amenable number.

28547005476 is an abundant number, since it is smaller than the sum of its proper divisors (44118099708).

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

28547005476 is a wasteful number, since it uses less digits than its factorization.

28547005476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216265211 (or 216265209 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 48.

The spelling of 28547005476 in words is "twenty-eight billion, five hundred forty-seven million, five thousand, four hundred seventy-six".