5384897957 has 4 divisors (see below), whose sum is σ = 5385283020. Its totient is φ = 5384512896.

The previous prime is 5384897929. The next prime is 5384897983. The reversal of 5384897957 is 7597984835.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2580030436 + 2804867521 = 50794^2 + 52961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5384897957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5384897893 and 5384897902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5384897927) 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, 170732 + ... + 199797.

It is an arithmetic number, because the mean of its divisors is an integer number (1346320755).

Almost surely, 2^5384897957 is an apocalyptic number.

It is an amenable number.

5384897957 is a deficient number, since it is larger than the sum of its proper divisors (385063).

5384897957 is a wasteful number, since it uses less digits than its factorization.

5384897957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385062.

The product of its digits is 76204800, while the sum is 65.

The square root of 5384897957 is about 73381.8639515242. The cubic root of 5384897957 is about 1752.7736106507.

The spelling of 5384897957 in words is "five billion, three hundred eighty-four million, eight hundred ninety-seven thousand, nine hundred fifty-seven".