28297295276 has 6 divisors (see below), whose sum is σ = 49520266740. Its totient is φ = 14148647636.

The previous prime is 28297295263. The next prime is 28297295281. The reversal of 28297295276 is 67259279282.

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 as a sum of consecutive naturals, namely, 3537161906 + ... + 3537161913.

It is an arithmetic number, because the mean of its divisors is an integer number (8253377790).

Almost surely, 2^28297295276 is an apocalyptic number.

It is an amenable number.

28297295276 is a deficient number, since it is larger than the sum of its proper divisors (21222971464).

28297295276 is a wasteful number, since it uses less digits than its factorization.

28297295276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7074323823 (or 7074323821 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 59.

The spelling of 28297295276 in words is "twenty-eight billion, two hundred ninety-seven million, two hundred ninety-five thousand, two hundred seventy-six".