28211879000 has 32 divisors (see below), whose sum is σ = 66015799200. Its totient is φ = 11284751200.

The previous prime is 28211878997. The next prime is 28211879009. The reversal of 28211879000 is 97811282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28211879009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14104940 + ... + 14106939.

It is an arithmetic number, because the mean of its divisors is an integer number (2062993725).

Almost surely, 2^28211879000 is an apocalyptic number.

28211879000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28211879000 is an abundant number, since it is smaller than the sum of its proper divisors (37803920200).

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

28211879000 is a wasteful number, since it uses less digits than its factorization.

28211879000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28211900 (or 28211886 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 38.

The spelling of 28211879000 in words is "twenty-eight billion, two hundred eleven million, eight hundred seventy-nine thousand".