28200921162 has 32 divisors (see below), whose sum is σ = 57487715712. Its totient is φ = 9221044224.

The previous prime is 28200921137. The next prime is 28200921169. The reversal of 28200921162 is 26112900282.

It is not an unprimeable number, because it can be changed into a prime (28200921169) 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 15 ways as a sum of consecutive naturals, for example, 148638 + ... + 280169.

It is an arithmetic number, because the mean of its divisors is an integer number (1796491116).

Almost surely, 2^28200921162 is an apocalyptic number.

28200921162 is an abundant number, since it is smaller than the sum of its proper divisors (29286794550).

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

28200921162 is a wasteful number, since it uses less digits than its factorization.

28200921162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429022.

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 28200921162 in words is "twenty-eight billion, two hundred million, nine hundred twenty-one thousand, one hundred sixty-two".