5257387968 has 168 divisors, whose sum is σ = 16448282064. Its totient is φ = 1477324800.

The previous prime is 5257387963. The next prime is 5257387973. The reversal of 5257387968 is 8697837525.

It is an interprime number because it is at equal distance from previous prime (5257387963) and next prime (5257387973).

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5257387963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 569308 + ... + 578468.

Almost surely, 2^5257387968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5257387968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8224141032).

5257387968 is an abundant number, since it is smaller than the sum of its proper divisors (11190894096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5257387968 is a wasteful number, since it uses less digits than its factorization.

5257387968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9251 (or 9234 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 60.

The square root of 5257387968 is about 72507.8476304462. The cubic root of 5257387968 is about 1738.8282029753.

The spelling of 5257387968 in words is "five billion, two hundred fifty-seven million, three hundred eighty-seven thousand, nine hundred sixty-eight".