28547468766 has 40 divisors (see below), whose sum is σ = 65527673904. Its totient is φ = 9283727520.

The previous prime is 28547468753. The next prime is 28547468767. The reversal of 28547468766 is 66786474582.

28547468766 is a `hidden beast` number, since 2 + 8 + 547 + 4 + 6 + 87 + 6 + 6 = 666.

It is a super-3 number, since 3×28547468766³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28547468767) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2142370 + ... + 2155653.

Almost surely, 2^28547468766 is an apocalyptic number.

28547468766 is an abundant number, since it is smaller than the sum of its proper divisors (36980205138).

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

28547468766 is a wasteful number, since it uses less digits than its factorization.

28547468766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4298078 (or 4298069 counting only the distinct ones).

The product of its digits is 108380160, while the sum is 63.

The spelling of 28547468766 in words is "twenty-eight billion, five hundred forty-seven million, four hundred sixty-eight thousand, seven hundred sixty-six".