3782178039816 has 96 divisors (see below), whose sum is σ = 11186056908000. Its totient is φ = 1144941227520.

The previous prime is 3782178039763. The next prime is 3782178039821. The reversal of 3782178039816 is 6189308712873.

3782178039816 is a `hidden beast` number, since 3 + 78 + 2 + 178 + 0 + 398 + 1 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1670166 + ... + 3217733.

It is an arithmetic number, because the mean of its divisors is an integer number (116521426125).

Almost surely, 2^{3782178039816} is an apocalyptic number.

3782178039816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3782178039816 is an abundant number, since it is smaller than the sum of its proper divisors (7403878868184).

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

3782178039816 is a wasteful number, since it uses less digits than its factorization.

3782178039816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4888899 (or 4888892 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 3782178039816 in words is "three trillion, seven hundred eighty-two billion, one hundred seventy-eight million, thirty-nine thousand, eight hundred sixteen".