28331877411 has 16 divisors (see below), whose sum is σ = 43798072320. Its totient is φ = 18066704040.

The previous prime is 28331877401. The next prime is 28331877419. The reversal of 28331877411 is 11477813382.

28331877411 is a `hidden beast` number, since 28 + 33 + 187 + 7 + 411 = 666.

It is not a de Polignac number, because 28331877411 - 2⁹ = 28331876899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28331877419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22810875 + ... + 22812116.

It is an arithmetic number, because the mean of its divisors is an integer number (2737379520).

Almost surely, 2^28331877411 is an apocalyptic number.

28331877411 is a deficient number, since it is larger than the sum of its proper divisors (15466194909).

28331877411 is a wasteful number, since it uses less digits than its factorization.

28331877411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45623023 (or 45623017 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The spelling of 28331877411 in words is "twenty-eight billion, three hundred thirty-one million, eight hundred seventy-seven thousand, four hundred eleven".