5781538778071 has 8 divisors (see below), whose sum is σ = 6612840464384. Its totient is φ = 4951578985560.

The previous prime is 5781538778047. The next prime is 5781538778087. The reversal of 5781538778071 is 1708778351875.

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 5781538778071 - 2³¹ = 5779391294423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5781538777988 and 5781538778006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5781538778011) 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, 335464215 + ... + 335481448.

It is an arithmetic number, because the mean of its divisors is an integer number (826605058048).

Almost surely, 2^{5781538778071} is an apocalyptic number.

5781538778071 is a deficient number, since it is larger than the sum of its proper divisors (831301686313).

5781538778071 is a wasteful number, since it uses less digits than its factorization.

5781538778071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670946901.

The product of its (nonzero) digits is 92198400, while the sum is 67.

The spelling of 5781538778071 in words is "five trillion, seven hundred eighty-one billion, five hundred thirty-eight million, seven hundred seventy-eight thousand, seventy-one".