28321046276 has 6 divisors (see below), whose sum is σ = 49561830990. Its totient is φ = 14160523136.

The previous prime is 28321046263. The next prime is 28321046293. The reversal of 28321046276 is 67264012382.

It can be written as a sum of positive squares in only one way, i.e., 20747521600 + 7573524676 = 144040^2 + 87026^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3540130781 + ... + 3540130788.

It is an arithmetic number, because the mean of its divisors is an integer number (8260305165).

Almost surely, 2^28321046276 is an apocalyptic number.

It is an amenable number.

28321046276 is a deficient number, since it is larger than the sum of its proper divisors (21240784714).

28321046276 is a wasteful number, since it uses less digits than its factorization.

28321046276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7080261573 (or 7080261571 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 28321046276 in words is "twenty-eight billion, three hundred twenty-one million, forty-six thousand, two hundred seventy-six".