28547475463 has 8 divisors (see below), whose sum is σ = 30747917088. Its totient is φ = 26347674144.

The previous prime is 28547475431. The next prime is 28547475469. The reversal of 28547475463 is 36457474582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28547475463 - 2⁵ = 28547475431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28547475469) 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, 65395 + ... + 247732.

It is an arithmetic number, because the mean of its divisors is an integer number (3843489636).

Almost surely, 2^28547475463 is an apocalyptic number.

28547475463 is a deficient number, since it is larger than the sum of its proper divisors (2200441625).

28547475463 is a wasteful number, since it uses less digits than its factorization.

28547475463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320153.

The product of its digits is 22579200, while the sum is 55.

The spelling of 28547475463 in words is "twenty-eight billion, five hundred forty-seven million, four hundred seventy-five thousand, four hundred sixty-three".