5781335386 has 4 divisors (see below), whose sum is σ = 8672003082. Its totient is φ = 2890667692.

The previous prime is 5781335381. The next prime is 5781335387. The reversal of 5781335386 is 6835331875.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5781321225 + 14161 = 76035^2 + 119^2 .

It is not an unprimeable number, because it can be changed into a prime (5781335381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445333845 + ... + 1445333848.

Almost surely, 2^5781335386 is an apocalyptic number.

5781335386 is a deficient number, since it is larger than the sum of its proper divisors (2890667696).

5781335386 is a wasteful number, since it uses less digits than its factorization.

5781335386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890667695.

The product of its digits is 1814400, while the sum is 49.

The square root of 5781335386 is about 76035.0931215317. The cubic root of 5781335386 is about 1794.7724238761.

The spelling of 5781335386 in words is "five billion, seven hundred eighty-one million, three hundred thirty-five thousand, three hundred eighty-six".