28075005330 has 32 divisors (see below), whose sum is σ = 67809196224. Its totient is φ = 7438981056.

The previous prime is 28075005311. The next prime is 28075005401. The reversal of 28075005330 is 3350057082.

It is a junction number, because it is equal to n+sod(n) for n = 28075005291 and 28075005300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2975652 + ... + 2985071.

It is an arithmetic number, because the mean of its divisors is an integer number (2119037382).

Almost surely, 2^28075005330 is an apocalyptic number.

28075005330 is an abundant number, since it is smaller than the sum of its proper divisors (39734190894).

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

28075005330 is a wasteful number, since it uses less digits than its factorization.

28075005330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5960890.

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 28075005330 in words is "twenty-eight billion, seventy-five million, five thousand, three hundred thirty".