28682754786 has 24 divisors (see below), whose sum is σ = 71023964544. Its totient is φ = 8195072760.

The previous prime is 28682754767. The next prime is 28682754811. The reversal of 28682754786 is 68745728682.

28682754786 is a `hidden beast` number, since 2 + 8 + 6 + 8 + 2 + 7 + 547 + 86 = 666.

It is a super-2 number, since 2×28682754786² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113820330 + ... + 113820581.

It is an arithmetic number, because the mean of its divisors is an integer number (2959331856).

Almost surely, 2^28682754786 is an apocalyptic number.

28682754786 is an abundant number, since it is smaller than the sum of its proper divisors (42341209758).

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

28682754786 is a wasteful number, since it uses less digits than its factorization.

28682754786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227640926 (or 227640923 counting only the distinct ones).

The product of its digits is 72253440, while the sum is 63.

The spelling of 28682754786 in words is "twenty-eight billion, six hundred eighty-two million, seven hundred fifty-four thousand, seven hundred eighty-six".