28600521312 has 48 divisors (see below), whose sum is σ = 81901495872. Its totient is φ = 8666824320.

The previous prime is 28600521311. The next prime is 28600521337. The reversal of 28600521312 is 21312500682.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 28600521312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28600521311) 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, 13540858 + ... + 13542969.

It is an arithmetic number, because the mean of its divisors is an integer number (1706281164).

Almost surely, 2^28600521312 is an apocalyptic number.

28600521312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28600521312 is an abundant number, since it is smaller than the sum of its proper divisors (53300974560).

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

28600521312 is a wasteful number, since it uses less digits than its factorization.

28600521312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27083851 (or 27083843 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 28600521312 in words is "twenty-eight billion, six hundred million, five hundred twenty-one thousand, three hundred twelve".