28912662764 has 12 divisors (see below), whose sum is σ = 50598561888. Its totient is φ = 14455930800.

The previous prime is 28912662733. The next prime is 28912662781. The reversal of 28912662764 is 46726621982.

It is a happy number.

It is a super-3 number, since 3×28912662764³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112349 + ... + 265419.

It is an arithmetic number, because the mean of its divisors is an integer number (4216546824).

Almost surely, 2^28912662764 is an apocalyptic number.

It is an amenable number.

28912662764 is a deficient number, since it is larger than the sum of its proper divisors (21685899124).

28912662764 is a wasteful number, since it uses less digits than its factorization.

28912662764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200296 (or 200294 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 53.

The spelling of 28912662764 in words is "twenty-eight billion, nine hundred twelve million, six hundred sixty-two thousand, seven hundred sixty-four".