4487796256397 has 2 divisors, whose sum is σ = 4487796256398. Its totient is φ = 4487796256396.

The previous prime is 4487796256393. The next prime is 4487796256403. The reversal of 4487796256397 is 7936526977844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4340268055561 + 147528200836 = 2083331^2 + 384094^2 .

It is a cyclic number.

It is not a de Polignac number, because 4487796256397 - 2² = 4487796256393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4487796256393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2243898128198 + 2243898128199.

It is an arithmetic number, because the mean of its divisors is an integer number (2243898128199).

Almost surely, 2^{4487796256397} is an apocalyptic number.

It is an amenable number.

4487796256397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4487796256397 is an equidigital number, since it uses as much as digits as its factorization.

4487796256397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840721920, while the sum is 77.

The spelling of 4487796256397 in words is "four trillion, four hundred eighty-seven billion, seven hundred ninety-six million, two hundred fifty-six thousand, three hundred ninety-seven".