28811376004 has 24 divisors (see below), whose sum is σ = 51686449920. Its totient is φ = 14047154784.

The previous prime is 28811375987. The next prime is 28811376031. The reversal of 28811376004 is 40067311882.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382324 + ... + 451435.

It is an arithmetic number, because the mean of its divisors is an integer number (2153602080).

Almost surely, 2^28811376004 is an apocalyptic number.

It is an amenable number.

28811376004 is a deficient number, since it is larger than the sum of its proper divisors (22875073916).

28811376004 is a wasteful number, since it uses less digits than its factorization.

28811376004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833979 (or 833977 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

Adding to 28811376004 its reverse (40067311882), we get a palindrome (68878687886).

The spelling of 28811376004 in words is "twenty-eight billion, eight hundred eleven million, three hundred seventy-six thousand, four".