3804518118778 has 32 divisors (see below), whose sum is σ = 6171569208000. Its totient is φ = 1748571826176.

The previous prime is 3804518118763. The next prime is 3804518118823. The reversal of 3804518118778 is 8778118154083.

It is a super-2 number, since 2×3804518118778² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 6035898 + ... + 6636346.

It is an arithmetic number, because the mean of its divisors is an integer number (192861537750).

Almost surely, 2^{3804518118778} is an apocalyptic number.

3804518118778 is a deficient number, since it is larger than the sum of its proper divisors (2367051089222).

3804518118778 is a wasteful number, since it uses less digits than its factorization.

3804518118778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601486.

The product of its (nonzero) digits is 12042240, while the sum is 61.

The spelling of 3804518118778 in words is "three trillion, eight hundred four billion, five hundred eighteen million, one hundred eighteen thousand, seven hundred seventy-eight".