4394090777 has 8 divisors (see below), whose sum is σ = 4402832640. Its totient is φ = 4385359440.

The previous prime is 4394090773. The next prime is 4394090791. The reversal of 4394090777 is 7770904934.

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 4394090777 - 2² = 4394090773 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4394090773) 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, 2015474 + ... + 2017652.

It is an arithmetic number, because the mean of its divisors is an integer number (550354080).

Almost surely, 2^4394090777 is an apocalyptic number.

It is an amenable number.

4394090777 is a deficient number, since it is larger than the sum of its proper divisors (8741863).

4394090777 is a wasteful number, since it uses less digits than its factorization.

4394090777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263.

The product of its (nonzero) digits is 1333584, while the sum is 50.

The square root of 4394090777 is about 66287.9383975697. The cubic root of 4394090777 is about 1637.9086440611.

The spelling of 4394090777 in words is "four billion, three hundred ninety-four million, ninety thousand, seven hundred seventy-seven".