4085297377779 has 8 divisors (see below), whose sum is σ = 5447093083072. Its totient is φ = 2723516628840.

The previous prime is 4085297377757. The next prime is 4085297377781. The reversal of 4085297377779 is 9777737925804.

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

It is not a de Polignac number, because 4085297377779 - 2²⁷ = 4085163160051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4085297377779.

It is not an unprimeable number, because it can be changed into a prime (4085297378779) 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, 3085417 + ... + 4205994.

It is an arithmetic number, because the mean of its divisors is an integer number (680886635384).

Almost surely, 2^{4085297377779} is an apocalyptic number.

4085297377779 is a deficient number, since it is larger than the sum of its proper divisors (1361795705293).

4085297377779 is a wasteful number, since it uses less digits than its factorization.

4085297377779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7478177.

The product of its (nonzero) digits is 1306912320, while the sum is 75.

The spelling of 4085297377779 in words is "four trillion, eighty-five billion, two hundred ninety-seven million, three hundred seventy-seven thousand, seven hundred seventy-nine".