28899859953055 has 16 divisors (see below), whose sum is σ = 42682870085184. Its totient is φ = 18292658607360.

The previous prime is 28899859952969. The next prime is 28899859953061. The reversal of 28899859953055 is 55035995899882.

It is not a de Polignac number, because 28899859953055 - 2¹³ = 28899859944863 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, 31758087406 + ... + 31758088315.

It is an arithmetic number, because the mean of its divisors is an integer number (2667679380324).

Almost surely, 2^{28899859953055} is an apocalyptic number.

28899859953055 is a deficient number, since it is larger than the sum of its proper divisors (13783010132129).

28899859953055 is a wasteful number, since it uses less digits than its factorization.

28899859953055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63516175746.

The product of its (nonzero) digits is 12597120000, while the sum is 85.

The spelling of 28899859953055 in words is "twenty-eight trillion, eight hundred ninety-nine billion, eight hundred fifty-nine million, nine hundred fifty-three thousand, fifty-five".