28829304228 has 24 divisors (see below), whose sum is σ = 67360925632. Its totient is φ = 9596546784.

The previous prime is 28829304227. The next prime is 28829304277. The reversal of 28829304228 is 82240392882.

It is a super-2 number, since 2×28829304228² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28829304223) 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 7 ways as a sum of consecutive naturals, for example, 1643575 + ... + 1661022.

Almost surely, 2^28829304228 is an apocalyptic number.

It is an amenable number.

28829304228 is an abundant number, since it is smaller than the sum of its proper divisors (38531621404).

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

28829304228 is a wasteful number, since it uses less digits than its factorization.

28829304228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305331 (or 3305329 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 28829304228 in words is "twenty-eight billion, eight hundred twenty-nine million, three hundred four thousand, two hundred twenty-eight".