5717570781 has 16 divisors (see below), whose sum is σ = 8692778304. Its totient is φ = 3311533824.

The previous prime is 5717570773. The next prime is 5717570791. The reversal of 5717570781 is 1870757175.

It is not a de Polignac number, because 5717570781 - 2³ = 5717570773 is a prime.

It is a super-2 number, since 2×5717570781² = 65381231271489899922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5717570781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5717570791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4311231 + ... + 4312556.

It is an arithmetic number, because the mean of its divisors is an integer number (543298644).

Almost surely, 2^5717570781 is an apocalyptic number.

5717570781 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5717570781 is a deficient number, since it is larger than the sum of its proper divisors (2975207523).

5717570781 is a wasteful number, since it uses less digits than its factorization.

5717570781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8623820.

The product of its (nonzero) digits is 480200, while the sum is 48.

The square root of 5717570781 is about 75614.6201537771. The cubic root of 5717570781 is about 1788.1496000503.

The spelling of 5717570781 in words is "five billion, seven hundred seventeen million, five hundred seventy thousand, seven hundred eighty-one".