28533063537 has 32 divisors (see below), whose sum is σ = 46125045120. Its totient is φ = 17288640000.

The previous prime is 28533063529. The next prime is 28533063583. The reversal of 28533063537 is 73536033582.

It is a happy number.

28533063537 is a `hidden beast` number, since 2 + 8 + 5 + 3 + 3 + 0 + 635 + 3 + 7 = 666.

It is not a de Polignac number, because 28533063537 - 2³ = 28533063529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28533063492 and 28533063501.

It is not an unprimeable number, because it can be changed into a prime (28533063037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1631037 + ... + 1648437.

It is an arithmetic number, because the mean of its divisors is an integer number (1441407660).

Almost surely, 2^28533063537 is an apocalyptic number.

28533063537 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

28533063537 is a deficient number, since it is larger than the sum of its proper divisors (17591981583).

28533063537 is a wasteful number, since it uses less digits than its factorization.

28533063537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22942 (or 22936 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 45.

The spelling of 28533063537 in words is "twenty-eight billion, five hundred thirty-three million, sixty-three thousand, five hundred thirty-seven".