28380003126 has 16 divisors (see below), whose sum is σ = 56776078128. Its totient is φ = 9457322400.

The previous prime is 28380003061. The next prime is 28380003131. The reversal of 28380003126 is 62130008382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646645 + ... + 689136.

It is an arithmetic number, because the mean of its divisors is an integer number (3548504883).

Almost surely, 2^28380003126 is an apocalyptic number.

28380003126 is an abundant number, since it is smaller than the sum of its proper divisors (28396075002).

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

28380003126 is a wasteful number, since it uses less digits than its factorization.

28380003126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339327.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 28380003126 in words is "twenty-eight billion, three hundred eighty million, three thousand, one hundred twenty-six".