28976605492 has 6 divisors (see below), whose sum is σ = 50709059618. Its totient is φ = 14488302744.

The previous prime is 28976605477. The next prime is 28976605529. The reversal of 28976605492 is 29450667982.

It can be written as a sum of positive squares in only one way, i.e., 22621964836 + 6354640656 = 150406^2 + 79716^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3622075683 + ... + 3622075690.

Almost surely, 2^28976605492 is an apocalyptic number.

It is an amenable number.

28976605492 is a deficient number, since it is larger than the sum of its proper divisors (21732454126).

28976605492 is a wasteful number, since it uses less digits than its factorization.

28976605492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7244151377 (or 7244151375 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 28976605492 in words is "twenty-eight billion, nine hundred seventy-six million, six hundred five thousand, four hundred ninety-two".