28853439437272 has 16 divisors (see below), whose sum is σ = 54134374710240. Its totient is φ = 14417606181216.

The previous prime is 28853439437261. The next prime is 28853439437327. The reversal of 28853439437272 is 27273493435882.

It is a super-3 number, since 3×28853439437272³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28853439437198 and 28853439437207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1139178723 + ... + 1139204050.

It is an arithmetic number, because the mean of its divisors is an integer number (3383398419390).

Almost surely, 2^{28853439437272} is an apocalyptic number.

It is an amenable number.

28853439437272 is a deficient number, since it is larger than the sum of its proper divisors (25280935272968).

28853439437272 is a wasteful number, since it uses less digits than its factorization.

28853439437272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278384362 (or 2278384358 counting only the distinct ones).

The product of its digits is 487710720, while the sum is 67.

The spelling of 28853439437272 in words is "twenty-eight trillion, eight hundred fifty-three billion, four hundred thirty-nine million, four hundred thirty-seven thousand, two hundred seventy-two".