28476421553375 has 64 divisors (see below), whose sum is σ = 37625703024000. Its totient is φ = 21457187712000.

The previous prime is 28476421553353. The next prime is 28476421553381. The reversal of 28476421553375 is 57335512467482.

It is not a de Polignac number, because 28476421553375 - 2²⁰ = 28476420504799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2342382797 + ... + 2342394953.

It is an arithmetic number, because the mean of its divisors is an integer number (587901609750).

Almost surely, 2^{28476421553375} is an apocalyptic number.

28476421553375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28476421553375 is a deficient number, since it is larger than the sum of its proper divisors (9149281470625).

28476421553375 is a wasteful number, since it uses less digits than its factorization.

28476421553375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17821 (or 17811 counting only the distinct ones).

The product of its digits is 169344000, while the sum is 62.

The spelling of 28476421553375 in words is "twenty-eight trillion, four hundred seventy-six billion, four hundred twenty-one million, five hundred fifty-three thousand, three hundred seventy-five".