28239832055 has 16 divisors (see below), whose sum is σ = 35498810304. Its totient is φ = 21525504000.

The previous prime is 28239832043. The next prime is 28239832067. The reversal of 28239832055 is 55023893282.

It is an interprime number because it is at equal distance from previous prime (28239832043) and next prime (28239832067).

It is not a de Polignac number, because 28239832055 - 2⁸ = 28239831799 is a prime.

It is a super-2 number, since 2×28239832055² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

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, 448196 + ... + 507305.

It is an arithmetic number, because the mean of its divisors is an integer number (2218675644).

Almost surely, 2^28239832055 is an apocalyptic number.

28239832055 is a deficient number, since it is larger than the sum of its proper divisors (7258978249).

28239832055 is a wasteful number, since it uses less digits than its factorization.

28239832055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955786.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 28239832055 in words is "twenty-eight billion, two hundred thirty-nine million, eight hundred thirty-two thousand, fifty-five".