28855652176 has 30 divisors (see below), whose sum is σ = 60539249310. Its totient is φ = 13317992064.

The previous prime is 28855652171. The next prime is 28855652213. The reversal of 28855652176 is 67125655882.

It can be written as a sum of positive squares in 3 ways, for example, as 1291683600 + 27563968576 = 35940^2 + 166024^2 .

It is a super-3 number, since 3×28855652176³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28855652171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5333031 + ... + 5338438.

It is an arithmetic number, because the mean of its divisors is an integer number (2017974977).

Almost surely, 2^28855652176 is an apocalyptic number.

28855652176 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28855652176 is an abundant number, since it is smaller than the sum of its proper divisors (31683597134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28855652176 is a wasteful number, since it uses less digits than its factorization.

28855652176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10671503 (or 10671484 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 55.

The spelling of 28855652176 in words is "twenty-eight billion, eight hundred fifty-five million, six hundred fifty-two thousand, one hundred seventy-six".