4081776809 has 8 divisors (see below), whose sum is σ = 4470590880. Its totient is φ = 3695920000.

The previous prime is 4081776791. The next prime is 4081776817. The reversal of 4081776809 is 9086771804.

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

It is a cyclic number.

It is not a de Polignac number, because 4081776809 - 2⁸ = 4081776553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4081776889) 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, 736424 + ... + 741945.

It is an arithmetic number, because the mean of its divisors is an integer number (558823860).

Almost surely, 2^4081776809 is an apocalyptic number.

It is an amenable number.

4081776809 is a deficient number, since it is larger than the sum of its proper divisors (388814071).

4081776809 is a wasteful number, since it uses less digits than its factorization.

4081776809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478631.

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 4081776809 is about 63888.7846887073. The cubic root of 4081776809 is about 1598.1458742212.

The spelling of 4081776809 in words is "four billion, eighty-one million, seven hundred seventy-six thousand, eight hundred nine".