28035628900 has 36 divisors (see below), whose sum is σ = 62481574708. Its totient is φ = 10911162240.

The previous prime is 28035628879. The next prime is 28035628919. The reversal of 28035628900 is 982653082.

It can be written as a sum of positive squares in 6 ways, for example, as 3831114816 + 24204514084 = 61896^2 + 155578^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3784899 + ... + 3792298.

Almost surely, 2^28035628900 is an apocalyptic number.

28035628900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28035628900 is an abundant number, since it is smaller than the sum of its proper divisors (34445945808).

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

28035628900 is a wasteful number, since it uses less digits than its factorization.

28035628900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7577248 (or 7577241 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 28035628900 in words is "twenty-eight billion, thirty-five million, six hundred twenty-eight thousand, nine hundred".