28692866760 has 32 divisors (see below), whose sum is σ = 86078600640. Its totient is φ = 7651431104.

The previous prime is 28692866749. The next prime is 28692866767. The reversal of 28692866760 is 6766829682.

It is a super-2 number, since 2×28692866760² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 28692866694 and 28692866703.

It is not an unprimeable number, because it can be changed into a prime (28692866767) 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, 119553492 + ... + 119553731.

It is an arithmetic number, because the mean of its divisors is an integer number (2689956270).

Almost surely, 2^28692866760 is an apocalyptic number.

28692866760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28692866760 is an abundant number, since it is smaller than the sum of its proper divisors (57385733880).

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

28692866760 is a wasteful number, since it uses less digits than its factorization.

28692866760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239107237 (or 239107233 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 28692866760 in words is "twenty-eight billion, six hundred ninety-two million, eight hundred sixty-six thousand, seven hundred sixty".