28374078013173 has 12 divisors (see below), whose sum is σ = 42092476092108. Its totient is φ = 18404807359680.

The previous prime is 28374078013157. The next prime is 28374078013217. The reversal of 28374078013173 is 37131087047382.

28374078013173 is a `hidden beast` number, since 2 + 8 + 37 + 407 + 8 + 0 + 131 + 73 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13126005818289 + 15248072194884 = 3622983^2 + 3904878^2 .

It is not a de Polignac number, because 28374078013173 - 2⁴ = 28374078013157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28374078013273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42603720408 + ... + 42603721073.

It is an arithmetic number, because the mean of its divisors is an integer number (3507706341009).

Almost surely, 2^{28374078013173} is an apocalyptic number.

It is an amenable number.

28374078013173 is a deficient number, since it is larger than the sum of its proper divisors (13718398078935).

28374078013173 is a wasteful number, since it uses less digits than its factorization.

28374078013173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85207441524 (or 85207441521 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 28374078013173 in words is "twenty-eight trillion, three hundred seventy-four billion, seventy-eight million, thirteen thousand, one hundred seventy-three".