28863586275 has 24 divisors (see below), whose sum is σ = 47768363760. Its totient is φ = 15378675840.

The previous prime is 28863586273. The next prime is 28863586307. The reversal of 28863586275 is 57268536882.

It is not a de Polignac number, because 28863586275 - 2¹ = 28863586273 is a prime.

It is a super-3 number, since 3×28863586275³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (28863586273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113980 + ... + 265929.

It is an arithmetic number, because the mean of its divisors is an integer number (1990348490).

Almost surely, 2^28863586275 is an apocalyptic number.

28863586275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28863586275 is a deficient number, since it is larger than the sum of its proper divisors (18904777485).

28863586275 is a wasteful number, since it uses less digits than its factorization.

28863586275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380935 (or 380930 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 60.

The spelling of 28863586275 in words is "twenty-eight billion, eight hundred sixty-three million, five hundred eighty-six thousand, two hundred seventy-five".