28605747160 has 32 divisors (see below), whose sum is σ = 67750455600. Its totient is φ = 10840072320.

The previous prime is 28605747143. The next prime is 28605747169. The reversal of 28605747160 is 6174750682.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28605747160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28605747169) 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, 18818811 + ... + 18820330.

Almost surely, 2^28605747160 is an apocalyptic number.

28605747160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28605747160 is an abundant number, since it is smaller than the sum of its proper divisors (39144708440).

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

28605747160 is a wasteful number, since it uses less digits than its factorization.

28605747160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37639171 (or 37639167 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 28605747160 in words is "twenty-eight billion, six hundred five million, seven hundred forty-seven thousand, one hundred sixty".