28900002332 has 12 divisors (see below), whose sum is σ = 51432207960. Its totient is φ = 14205085776.

The previous prime is 28900002331. The next prime is 28900002353. The reversal of 28900002332 is 23320000982.

It is a junction number, because it is equal to n+sod(n) for n = 28900002295 and 28900002304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28900002331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61228583 + ... + 61229054.

It is an arithmetic number, because the mean of its divisors is an integer number (4286017330).

Almost surely, 2^28900002332 is an apocalyptic number.

It is an amenable number.

28900002332 is a deficient number, since it is larger than the sum of its proper divisors (22532205628).

28900002332 is a wasteful number, since it uses less digits than its factorization.

28900002332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122457700 (or 122457698 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 28900002332 in words is "twenty-eight billion, nine hundred million, two thousand, three hundred thirty-two".