4897567257 has 8 divisors (see below), whose sum is σ = 7123734240. Its totient is φ = 2968222560.

The previous prime is 4897567253. The next prime is 4897567267. The reversal of 4897567257 is 7527657984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4897567257 - 2² = 4897567253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4897567257.

It is not an unprimeable number, because it can be changed into a prime (4897567253) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 74205532 + ... + 74205597.

It is an arithmetic number, because the mean of its divisors is an integer number (890466780).

Almost surely, 2^4897567257 is an apocalyptic number.

It is an amenable number.

4897567257 is a deficient number, since it is larger than the sum of its proper divisors (2226166983).

4897567257 is a wasteful number, since it uses less digits than its factorization.

4897567257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148411143.

The product of its digits is 29635200, while the sum is 60.

The square root of 4897567257 is about 69982.6211069577. The cubic root of 4897567257 is about 1698.2181164477.

The spelling of 4897567257 in words is "four billion, eight hundred ninety-seven million, five hundred sixty-seven thousand, two hundred fifty-seven".