28321046271 has 24 divisors (see below), whose sum is σ = 48015780384. Its totient is φ = 15746063040.

The previous prime is 28321046263. The next prime is 28321046293. The reversal of 28321046271 is 17264012382.

It is a happy number.

28321046271 is a `hidden beast` number, since 2 + 8 + 3 + 21 + 0 + 4 + 627 + 1 = 666.

It is not a de Polignac number, because 28321046271 - 2³ = 28321046263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28321046671) 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, 6072540 + ... + 6077201.

It is an arithmetic number, because the mean of its divisors is an integer number (2000657516).

Almost surely, 2^28321046271 is an apocalyptic number.

28321046271 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

28321046271 is a deficient number, since it is larger than the sum of its proper divisors (19694734113).

28321046271 is a wasteful number, since it uses less digits than its factorization.

28321046271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12149791 (or 12149788 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 28321046271 in words is "twenty-eight billion, three hundred twenty-one million, forty-six thousand, two hundred seventy-one".