28754255500800 has 120 divisors (see below), whose sum is σ = 94987886032776. Its totient is φ = 7667801456640.

The previous prime is 28754255500787. The next prime is 28754255500807. The reversal of 28754255500800 is 800555245782.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28754255500807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 374365969 + ... + 374442768.

Almost surely, 2^{28754255500800} is an apocalyptic number.

28754255500800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28754255500800 is an abundant number, since it is smaller than the sum of its proper divisors (66233630531976).

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

28754255500800 is an equidigital number, since it uses as much as digits as its factorization.

28754255500800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748808768 (or 748808747 counting only the distinct ones).

The product of its (nonzero) digits is 4480000, while the sum is 51.

The spelling of 28754255500800 in words is "twenty-eight trillion, seven hundred fifty-four billion, two hundred fifty-five million, five hundred thousand, eight hundred".