28885041936 has 75 divisors (see below), whose sum is σ = 83619403813. Its totient is φ = 9626307840.

The previous prime is 28885041931. The next prime is 28885041953. The reversal of 28885041936 is 63914058882.

The square root of 28885041936 is 169956.

It is a perfect power (a square), and thus also a powerful number.

28885041936 is a `hidden beast` number, since 28 + 88 + 504 + 1 + 9 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15614001936 + 13271040000 = 124956^2 + 115200^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28885041931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 6116056 + ... + 6120776.

Almost surely, 2^28885041936 is an apocalyptic number.

28885041936 is the 169956-th square number.

It is an amenable number.

28885041936 is an abundant number, since it is smaller than the sum of its proper divisors (54734361877).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28885041936 is an frugal number, since it uses more digits than its factorization.

28885041936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9462 (or 4726 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 28885041936 in words is "twenty-eight billion, eight hundred eighty-five million, forty-one thousand, nine hundred thirty-six".