5777981 has 16 divisors (see below), whose sum is σ = 6547200. Its totient is φ = 5054400.

The previous prime is 5777971. The next prime is 5777983. The reversal of 5777981 is 1897775.

It is a cyclic number.

It is not a de Polignac number, because 5777981 - 2⁶ = 5777917 is a prime.

It is a super-2 number, since 2×5777981² = 66770128872722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5777983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52955 + ... + 53063.

It is an arithmetic number, because the mean of its divisors is an integer number (409200).

Almost surely, 2^5777981 is an apocalyptic number.

It is an amenable number.

5777981 is a deficient number, since it is larger than the sum of its proper divisors (769219).

5777981 is a wasteful number, since it uses less digits than its factorization.

5777981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260.

The product of its digits is 123480, while the sum is 44.

The square root of 5777981 is about 2403.7431227151. The cubic root of 5777981 is about 179.4425242021.

It can be divided in two parts, 577 and 7981, that added together give a palindrome (8558).

The spelling of 5777981 in words is "five million, seven hundred seventy-seven thousand, nine hundred eighty-one".