28737273667696 has 40 divisors (see below), whose sum is σ = 60741195350400. Its totient is φ = 13062171587520.

The previous prime is 28737273667679. The next prime is 28737273667769. The reversal of 28737273667696 is 69676637273782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9031975 + ... + 11791993.

It is an arithmetic number, because the mean of its divisors is an integer number (1518529883760).

Almost surely, 2^{28737273667696} is an apocalyptic number.

It is an amenable number.

28737273667696 is an abundant number, since it is smaller than the sum of its proper divisors (32003921682704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28737273667696 is a wasteful number, since it uses less digits than its factorization.

28737273667696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819197 (or 2819191 counting only the distinct ones).

The product of its digits is 8065516032, while the sum is 79.

The spelling of 28737273667696 in words is "twenty-eight trillion, seven hundred thirty-seven billion, two hundred seventy-three million, six hundred sixty-seven thousand, six hundred ninety-six".