28472040067297 has 2 divisors, whose sum is σ = 28472040067298. Its totient is φ = 28472040067296.

The previous prime is 28472040067277. The next prime is 28472040067391. The reversal of 28472040067297 is 79276004027482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27851467947601 + 620572119696 = 5277449^2 + 787764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28472040067297 is a prime.

It is not a weakly prime, because it can be changed into another prime (28472040067277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14236020033648 + 14236020033649.

It is an arithmetic number, because the mean of its divisors is an integer number (14236020033649).

Almost surely, 2^{28472040067297} is an apocalyptic number.

It is an amenable number.

28472040067297 is a deficient number, since it is larger than the sum of its proper divisors (1).

28472040067297 is an equidigital number, since it uses as much as digits as its factorization.

28472040067297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18966528, while the sum is 58.

The spelling of 28472040067297 in words is "twenty-eight trillion, four hundred seventy-two billion, forty million, sixty-seven thousand, two hundred ninety-seven".