28532533761 has 12 divisors (see below), whose sum is σ = 41710211088. Its totient is φ = 18792511704.

The previous prime is 28532533759. The next prime is 28532533807. The reversal of 28532533761 is 16733523582.

28532533761 is a `hidden beast` number, since 2 + 8 + 53 + 2 + 533 + 7 + 61 = 666.

It is not a de Polignac number, because 28532533761 - 2¹ = 28532533759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28532533741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19097335 + ... + 19098828.

It is an arithmetic number, because the mean of its divisors is an integer number (3475850924).

Almost surely, 2^28532533761 is an apocalyptic number.

It is an amenable number.

28532533761 is a deficient number, since it is larger than the sum of its proper divisors (13177677327).

28532533761 is a wasteful number, since it uses less digits than its factorization.

28532533761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38196252 (or 38196249 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The spelling of 28532533761 in words is "twenty-eight billion, five hundred thirty-two million, five hundred thirty-three thousand, seven hundred sixty-one".