28253009750770 has 192 divisors, whose sum is σ = 60867246375936. Its totient is φ = 9409494366720.

The previous prime is 28253009750741. The next prime is 28253009750839. The reversal of 28253009750770 is 7705790035282.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5812178140 + ... + 5812183000.

It is an arithmetic number, because the mean of its divisors is an integer number (317016908208).

Almost surely, 2^{28253009750770} is an apocalyptic number.

28253009750770 is an abundant number, since it is smaller than the sum of its proper divisors (32614236625166).

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

28253009750770 is a wasteful number, since it uses less digits than its factorization.

28253009750770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6385 (or 6378 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 55.

The spelling of 28253009750770 in words is "twenty-eight trillion, two hundred fifty-three billion, nine million, seven hundred fifty thousand, seven hundred seventy".