28076853637 has 24 divisors (see below), whose sum is σ = 33006042432. Its totient is φ = 23812588800.

The previous prime is 28076853631. The next prime is 28076853661. The reversal of 28076853637 is 73635867082.

It is a de Polignac number, because none of the positive numbers 2^k-28076853637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28076853631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2259712 + ... + 2272102.

It is an arithmetic number, because the mean of its divisors is an integer number (1375251768).

Almost surely, 2^28076853637 is an apocalyptic number.

It is an amenable number.

28076853637 is a deficient number, since it is larger than the sum of its proper divisors (4929188795).

28076853637 is a wasteful number, since it uses less digits than its factorization.

28076853637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12889 (or 12882 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 28076853637 in words is "twenty-eight billion, seventy-six million, eight hundred fifty-three thousand, six hundred thirty-seven".