4487167506257 has 2 divisors, whose sum is σ = 4487167506258. Its totient is φ = 4487167506256.

The previous prime is 4487167506247. The next prime is 4487167506317. The reversal of 4487167506257 is 7526057617844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3599428550656 + 887738955601 = 1897216^2 + 942199^2 .

It is a cyclic number.

It is not a de Polignac number, because 4487167506257 - 2¹² = 4487167502161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4487167506257.

It is not a weakly prime, because it can be changed into another prime (4487167506247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2243583753128 + 2243583753129.

It is an arithmetic number, because the mean of its divisors is an integer number (2243583753129).

Almost surely, 2^{4487167506257} is an apocalyptic number.

It is an amenable number.

4487167506257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4487167506257 is an equidigital number, since it uses as much as digits as its factorization.

4487167506257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79027200, while the sum is 62.

The spelling of 4487167506257 in words is "four trillion, four hundred eighty-seven billion, one hundred sixty-seven million, five hundred six thousand, two hundred fifty-seven".