5387436385 has 8 divisors (see below), whose sum is σ = 6473747880. Its totient is φ = 4304066304.

The previous prime is 5387436283. The next prime is 5387436407. The reversal of 5387436385 is 5836347835.

It can be written as a sum of positive squares in 4 ways, for example, as 1599280081 + 3788156304 = 39991^2 + 61548^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5387436385 - 2¹⁵ = 5387403617 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731320 + ... + 738649.

It is an arithmetic number, because the mean of its divisors is an integer number (809218485).

Almost surely, 2^5387436385 is an apocalyptic number.

It is an amenable number.

5387436385 is a deficient number, since it is larger than the sum of its proper divisors (1086311495).

5387436385 is a wasteful number, since it uses less digits than its factorization.

5387436385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470707.

The product of its digits is 7257600, while the sum is 52.

The square root of 5387436385 is about 73399.1579311371. The cubic root of 5387436385 is about 1753.0489851457.

The spelling of 5387436385 in words is "five billion, three hundred eighty-seven million, four hundred thirty-six thousand, three hundred eighty-five".