28743535955 has 16 divisors (see below), whose sum is σ = 34865433504. Its totient is φ = 22747146240.

The previous prime is 28743535907. The next prime is 28743535967. The reversal of 28743535955 is 55953534782.

It is not a de Polignac number, because 28743535955 - 2¹⁶ = 28743470419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28743535955.

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, 138419 + ... + 276851.

It is an arithmetic number, because the mean of its divisors is an integer number (2179089594).

Almost surely, 2^28743535955 is an apocalyptic number.

28743535955 is a deficient number, since it is larger than the sum of its proper divisors (6121897549).

28743535955 is a wasteful number, since it uses less digits than its factorization.

28743535955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138886.

The product of its digits is 22680000, while the sum is 56.

The spelling of 28743535955 in words is "twenty-eight billion, seven hundred forty-three million, five hundred thirty-five thousand, nine hundred fifty-five".