28063154537 has 6 divisors (see below), whose sum is σ = 30846277434. Its totient is φ = 25511958560.

The previous prime is 28063154513. The next prime is 28063154557. The reversal of 28063154537 is 73545136082.

It can be written as a sum of positive squares in only one way, i.e., 27239521936 + 823632601 = 165044^2 + 28699^2 .

It is not a de Polignac number, because 28063154537 - 2¹⁰ = 28063153513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28063154557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115963328 + ... + 115963569.

It is an arithmetic number, because the mean of its divisors is an integer number (5141046239).

Almost surely, 2^28063154537 is an apocalyptic number.

It is an amenable number.

28063154537 is a deficient number, since it is larger than the sum of its proper divisors (2783122897).

28063154537 is a wasteful number, since it uses less digits than its factorization.

28063154537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231926919 (or 231926908 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 28063154537 in words is "twenty-eight billion, sixty-three million, one hundred fifty-four thousand, five hundred thirty-seven".