28805532363 has 36 divisors (see below), whose sum is σ = 43277665080. Its totient is φ = 18936178272.

The previous prime is 28805532361. The next prime is 28805532367. The reversal of 28805532363 is 36323550882.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

28805532363 is a `hidden beast` number, since 2 + 8 + 80 + 5 + 532 + 36 + 3 = 666.

It is not a de Polignac number, because 28805532363 - 2¹ = 28805532361 is a prime.

It is a super-3 number, since 3×28805532363³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28805532361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 78489006 + ... + 78489372.

Almost surely, 2^28805532363 is an apocalyptic number.

28805532363 is a deficient number, since it is larger than the sum of its proper divisors (14472132717).

28805532363 is an frugal number, since it uses more digits than its factorization.

28805532363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 28805532363 in words is "twenty-eight billion, eight hundred five million, five hundred thirty-two thousand, three hundred sixty-three".