28025255302775 has 48 divisors (see below), whose sum is σ = 37239421658400. Its totient is φ = 20847691776000.

The previous prime is 28025255302763. The next prime is 28025255302777. The reversal of 28025255302775 is 57720355252082.

It is not a de Polignac number, because 28025255302775 - 2⁸ = 28025255302519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28025255302777) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19346951 + ... + 20744999.

It is an arithmetic number, because the mean of its divisors is an integer number (775821284550).

Almost surely, 2^{28025255302775} is an apocalyptic number.

28025255302775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28025255302775 is a deficient number, since it is larger than the sum of its proper divisors (9214166355625).

28025255302775 is a wasteful number, since it uses less digits than its factorization.

28025255302775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398644 (or 1398639 counting only the distinct ones).

The product of its (nonzero) digits is 11760000, while the sum is 53.

The spelling of 28025255302775 in words is "twenty-eight trillion, twenty-five billion, two hundred fifty-five million, three hundred two thousand, seven hundred seventy-five".