28148112830 has 16 divisors (see below), whose sum is σ = 50685893424. Its totient is φ = 11254958400.

The previous prime is 28148112827. The next prime is 28148112947. The reversal of 28148112830 is 3821184182.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508196 + ... + 560855.

It is an arithmetic number, because the mean of its divisors is an integer number (3167868339).

Almost surely, 2^28148112830 is an apocalyptic number.

28148112830 is a deficient number, since it is larger than the sum of its proper divisors (22537780594).

28148112830 is a wasteful number, since it uses less digits than its factorization.

28148112830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071691.

The product of its (nonzero) digits is 24576, while the sum is 38.

The spelling of 28148112830 in words is "twenty-eight billion, one hundred forty-eight million, one hundred twelve thousand, eight hundred thirty".