28753386454 has 16 divisors (see below), whose sum is σ = 47101975200. Its totient is φ = 13083880320.

The previous prime is 28753386449. The next prime is 28753386463. The reversal of 28753386454 is 45468335782.

It is a junction number, because it is equal to n+sod(n) for n = 28753386395 and 28753386404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7786179 + ... + 7789870.

It is an arithmetic number, because the mean of its divisors is an integer number (2943873450).

Almost surely, 2^28753386454 is an apocalyptic number.

28753386454 is a deficient number, since it is larger than the sum of its proper divisors (18348588746).

28753386454 is a wasteful number, since it uses less digits than its factorization.

28753386454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15576135.

The product of its digits is 19353600, while the sum is 55.

The spelling of 28753386454 in words is "twenty-eight billion, seven hundred fifty-three million, three hundred eighty-six thousand, four hundred fifty-four".