5187297456 has 320 divisors, whose sum is σ = 17507450880. Its totient is φ = 1454112000.

The previous prime is 5187297419. The next prime is 5187297469. The reversal of 5187297456 is 6547927815.

5187297456 is a `hidden beast` number, since 5 + 187 + 2 + 9 + 7 + 456 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3387411 + ... + 3388941.

It is an arithmetic number, because the mean of its divisors is an integer number (54710784).

Almost surely, 2^5187297456 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 5187297456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8753725440).

5187297456 is an abundant number, since it is smaller than the sum of its proper divisors (12320153424).

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

5187297456 is a wasteful number, since it uses less digits than its factorization.

5187297456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613 (or 1601 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The square root of 5187297456 is about 72022.8953597396. The cubic root of 5187297456 is about 1731.0663629571.

The spelling of 5187297456 in words is "five billion, one hundred eighty-seven million, two hundred ninety-seven thousand, four hundred fifty-six".