28274927346 has 12 divisors (see below), whose sum is σ = 61262342622. Its totient is φ = 9424975776.

The previous prime is 28274927281. The next prime is 28274927381. The reversal of 28274927346 is 64372947282.

28274927346 is a `hidden beast` number, since 2 + 8 + 274 + 9 + 27 + 346 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24051357225 + 4223570121 = 155085^2 + 64989^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28274927292 and 28274927301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 785414631 + ... + 785414666.

Almost surely, 2^28274927346 is an apocalyptic number.

28274927346 is an abundant number, since it is smaller than the sum of its proper divisors (32987415276).

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

28274927346 is a wasteful number, since it uses less digits than its factorization.

28274927346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570829305 (or 1570829302 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The spelling of 28274927346 in words is "twenty-eight billion, two hundred seventy-four million, nine hundred twenty-seven thousand, three hundred forty-six".