4085297377778 has 32 divisors (see below), whose sum is σ = 6612412847040. Its totient is φ = 1886623799040.

The previous prime is 4085297377757. The next prime is 4085297377781. The reversal of 4085297377778 is 8777737925804.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1317701 + ... + 3147527.

It is an arithmetic number, because the mean of its divisors is an integer number (206637901470).

Almost surely, 2^{4085297377778} is an apocalyptic number.

4085297377778 is a deficient number, since it is larger than the sum of its proper divisors (2527115469262).

4085297377778 is a wasteful number, since it uses less digits than its factorization.

4085297377778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831322.

The product of its (nonzero) digits is 1161699840, while the sum is 74.

The spelling of 4085297377778 in words is "four trillion, eighty-five billion, two hundred ninety-seven million, three hundred seventy-seven thousand, seven hundred seventy-eight".