5087643485257 has 4 divisors (see below), whose sum is σ = 5089818623760. Its totient is φ = 5085468346756.

The previous prime is 5087643485233. The next prime is 5087643485261. The reversal of 5087643485257 is 7525843467805.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5087643485257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5087647485257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087565743 + ... + 1087570420.

It is an arithmetic number, because the mean of its divisors is an integer number (1272454655940).

Almost surely, 2^{5087643485257} is an apocalyptic number.

It is an amenable number.

5087643485257 is a deficient number, since it is larger than the sum of its proper divisors (2175138503).

5087643485257 is a wasteful number, since it uses less digits than its factorization.

5087643485257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175138502.

The product of its (nonzero) digits is 225792000, while the sum is 64.

The spelling of 5087643485257 in words is "five trillion, eighty-seven billion, six hundred forty-three million, four hundred eighty-five thousand, two hundred fifty-seven".