28750508758784 has 36 divisors (see below), whose sum is σ = 58033527864480. Its totient is φ = 14213734656000.

The previous prime is 28750508758771. The next prime is 28750508758787. The reversal of 28750508758784 is 48785780505782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28750508758787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630913592 + ... + 630959159.

It is an arithmetic number, because the mean of its divisors is an integer number (1612042440680).

Almost surely, 2^{28750508758784} is an apocalyptic number.

It is an amenable number.

28750508758784 is an abundant number, since it is smaller than the sum of its proper divisors (29283019105696).

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

28750508758784 is an equidigital number, since it uses as much as digits as its factorization.

28750508758784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261872856 (or 1261872842 counting only the distinct ones).

The product of its (nonzero) digits is 1404928000, while the sum is 74.

The spelling of 28750508758784 in words is "twenty-eight trillion, seven hundred fifty billion, five hundred eight million, seven hundred fifty-eight thousand, seven hundred eighty-four".