28745860428760 has 32 divisors (see below), whose sum is σ = 64683981986400. Its totient is φ = 11497313767680.

The previous prime is 28745860428737. The next prime is 28745860428767. The reversal of 28745860428760 is 6782406854782.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28745860428767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31748100 + ... + 32640979.

It is an arithmetic number, because the mean of its divisors is an integer number (2021374437075).

Almost surely, 2^{28745860428760} is an apocalyptic number.

28745860428760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28745860428760 is an abundant number, since it is smaller than the sum of its proper divisors (35938121557640).

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

28745860428760 is a wasteful number, since it uses less digits than its factorization.

28745860428760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64400251 (or 64400247 counting only the distinct ones).

The product of its (nonzero) digits is 289013760, while the sum is 67.

The spelling of 28745860428760 in words is "twenty-eight trillion, seven hundred forty-five billion, eight hundred sixty million, four hundred twenty-eight thousand, seven hundred sixty".