5385444787 has 8 divisors (see below), whose sum is σ = 5418229104. Its totient is φ = 5352711168.

The previous prime is 5385444769. The next prime is 5385444809. The reversal of 5385444787 is 7874445835.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5385444787 is a prime.

It is a super-3 number, since 3×5385444787³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5385444707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212463 + ... + 236455.

It is an arithmetic number, because the mean of its divisors is an integer number (677278638).

Almost surely, 2^5385444787 is an apocalyptic number.

5385444787 is a deficient number, since it is larger than the sum of its proper divisors (32784317).

5385444787 is a wasteful number, since it uses less digits than its factorization.

5385444787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25349.

The product of its digits is 15052800, while the sum is 55.

The square root of 5385444787 is about 73385.5897775578. The cubic root of 5385444787 is about 1752.8329393362.

The spelling of 5385444787 in words is "five billion, three hundred eighty-five million, four hundred forty-four thousand, seven hundred eighty-seven".