28546268670 has 40 divisors (see below), whose sum is σ = 76757746824. Its totient is φ = 7612338096.

The previous prime is 28546268651. The next prime is 28546268671. The reversal of 28546268670 is 7686264582.

28546268670 is a `hidden beast` number, since 2 + 8 + 5 + 4 + 626 + 8 + 6 + 7 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28546268671) 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, 17620344 + ... + 17621963.

Almost surely, 2^28546268670 is an apocalyptic number.

28546268670 is an abundant number, since it is smaller than the sum of its proper divisors (48211478154).

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

28546268670 is a wasteful number, since it uses less digits than its factorization.

28546268670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35242326 (or 35242317 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 28546268670 in words is "twenty-eight billion, five hundred forty-six million, two hundred sixty-eight thousand, six hundred seventy".