28058002120 has 32 divisors (see below), whose sum is σ = 63146966400. Its totient is φ = 11220274368.

The previous prime is 28058002109. The next prime is 28058002123. The reversal of 28058002120 is 2120085082.

It is not an unprimeable number, because it can be changed into a prime (28058002123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67267 + ... + 246253.

It is an arithmetic number, because the mean of its divisors is an integer number (1973342700).

Almost surely, 2^28058002120 is an apocalyptic number.

28058002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28058002120 is an abundant number, since it is smaller than the sum of its proper divisors (35088964280).

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

28058002120 is a wasteful number, since it uses less digits than its factorization.

28058002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182917 (or 182913 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The spelling of 28058002120 in words is "twenty-eight billion, fifty-eight million, two thousand, one hundred twenty".