28772830000 has 50 divisors (see below), whose sum is σ = 69661922924. Its totient is φ = 11509128000.

The previous prime is 28772829997. The next prime is 28772830019. The reversal of 28772830000 is 3827782.

It is a tau number, because it is divible by the number of its divisors (50).

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 9 ways as a sum of consecutive naturals, for example, 1428642 + ... + 1448641.

Almost surely, 2^28772830000 is an apocalyptic number.

28772830000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28772830000 is an abundant number, since it is smaller than the sum of its proper divisors (40889092924).

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

28772830000 is an equidigital number, since it uses as much as digits as its factorization.

28772830000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877311 (or 2877290 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 28772830000 in words is "twenty-eight billion, seven hundred seventy-two million, eight hundred thirty thousand".