3818286378765 has 24 divisors (see below), whose sum is σ = 6646054970880. Its totient is φ = 2027898813024.

The previous prime is 3818286378743. The next prime is 3818286378827. The reversal of 3818286378765 is 5678736828183.

3818286378765 is a `hidden beast` number, since 3 + 8 + 182 + 8 + 6 + 378 + 76 + 5 = 666.

It is not a de Polignac number, because 3818286378765 - 2¹⁷ = 3818286247693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3818286378693 and 3818286378702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177501397 + ... + 177522906.

It is an arithmetic number, because the mean of its divisors is an integer number (276918957120).

Almost surely, 2^{3818286378765} is an apocalyptic number.

It is an amenable number.

3818286378765 is a deficient number, since it is larger than the sum of its proper divisors (2827768592115).

3818286378765 is a wasteful number, since it uses less digits than its factorization.

3818286378765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355024553 (or 355024550 counting only the distinct ones).

The product of its digits is 650280960, while the sum is 72.

The spelling of 3818286378765 in words is "three trillion, eight hundred eighteen billion, two hundred eighty-six million, three hundred seventy-eight thousand, seven hundred sixty-five".