5779781 has 8 divisors (see below), whose sum is σ = 6953280. Its totient is φ = 4693248.

The previous prime is 5779769. The next prime is 5779793. The reversal of 5779781 is 1879775.

It is an interprime number because it is at equal distance from previous prime (5779769) and next prime (5779793).

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

It is not a de Polignac number, because 5779781 - 2⁶ = 5779717 is a prime.

It is a super-2 number, since 2×5779781² = 66811736815922, 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 (5779181) 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, 21596 + ... + 21861.

It is an arithmetic number, because the mean of its divisors is an integer number (869160).

Almost surely, 2^5779781 is an apocalyptic number.

It is an amenable number.

5779781 is a deficient number, since it is larger than the sum of its proper divisors (1173499).

5779781 is a wasteful number, since it uses less digits than its factorization.

5779781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43483.

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

The square root of 5779781 is about 2404.1175096072. The cubic root of 5779781 is about 179.4611560281.

The spelling of 5779781 in words is "five million, seven hundred seventy-nine thousand, seven hundred eighty-one".