4085811078 has 8 divisors (see below), whose sum is σ = 8171622168. Its totient is φ = 1361937024.

The previous prime is 4085811077. The next prime is 4085811101. The reversal of 4085811078 is 8701185804.

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

4085811078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085811077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340484251 + ... + 340484262.

It is an arithmetic number, because the mean of its divisors is an integer number (1021452771).

Almost surely, 2^4085811078 is an apocalyptic number.

4085811078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4085811078 is a wasteful number, since it uses less digits than its factorization.

4085811078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680968518.

The product of its (nonzero) digits is 71680, while the sum is 42.

The square root of 4085811078 is about 63920.3494827743. The cubic root of 4085811078 is about 1598.6722158710.

The spelling of 4085811078 in words is "four billion, eighty-five million, eight hundred eleven thousand, seventy-eight".