5716783781 has 4 divisors (see below), whose sum is σ = 5739560064. Its totient is φ = 5694007500.

The previous prime is 5716783771. The next prime is 5716783841. The reversal of 5716783781 is 1873876175.

5716783781 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5716783781 - 2²⁶ = 5649674917 is a prime.

It is a super-2 number, since 2×5716783781² = 65363233597409311922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5716783741) 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, 11387765 + ... + 11388266.

It is an arithmetic number, because the mean of its divisors is an integer number (1434890016).

Almost surely, 2^5716783781 is an apocalyptic number.

It is an amenable number.

5716783781 is a deficient number, since it is larger than the sum of its proper divisors (22776283).

5716783781 is a wasteful number, since it uses less digits than its factorization.

5716783781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22776282.

The product of its digits is 1975680, while the sum is 53.

The square root of 5716783781 is about 75609.4159546283. The cubic root of 5716783781 is about 1788.0675524837.

The spelling of 5716783781 in words is "five billion, seven hundred sixteen million, seven hundred eighty-three thousand, seven hundred eighty-one".