28813722455 has 16 divisors (see below), whose sum is σ = 39581091840. Its totient is φ = 19725416352.

The previous prime is 28813722449. The next prime is 28813722463. The reversal of 28813722455 is 55422731882.

It is a cyclic number.

It is not a de Polignac number, because 28813722455 - 2¹⁴ = 28813706071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 656885 + ... + 699374.

It is an arithmetic number, because the mean of its divisors is an integer number (2473818240).

Almost surely, 2^28813722455 is an apocalyptic number.

28813722455 is a deficient number, since it is larger than the sum of its proper divisors (10767369385).

28813722455 is a wasteful number, since it uses less digits than its factorization.

28813722455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356878.

The product of its digits is 1075200, while the sum is 47.

The spelling of 28813722455 in words is "twenty-eight billion, eight hundred thirteen million, seven hundred twenty-two thousand, four hundred fifty-five".