28680675760 has 40 divisors (see below), whose sum is σ = 72744625296. Its totient is φ = 10429336320.

The previous prime is 28680675743. The next prime is 28680675797. The reversal of 28680675760 is 6757608682.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (55).

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, 16294959 + ... + 16296718.

Almost surely, 2^28680675760 is an apocalyptic number.

28680675760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28680675760 is an abundant number, since it is smaller than the sum of its proper divisors (44063949536).

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

28680675760 is a wasteful number, since it uses less digits than its factorization.

28680675760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32591701 (or 32591695 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 28680675760 in words is "twenty-eight billion, six hundred eighty million, six hundred seventy-five thousand, seven hundred sixty".