3866958847376 has 20 divisors (see below), whose sum is σ = 7493549911500. Its totient is φ = 1933139515392.

The previous prime is 3866958847343. The next prime is 3866958847429. The reversal of 3866958847376 is 6737488596683.

It can be written as a sum of positive squares in 2 ways, for example, as 2713860864400 + 1153097982976 = 1647380^2 + 1073824^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3866958847376.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21150401 + ... + 21332448.

It is an arithmetic number, because the mean of its divisors is an integer number (374677495575).

Almost surely, 2^{3866958847376} is an apocalyptic number.

It is an amenable number.

3866958847376 is a deficient number, since it is larger than the sum of its proper divisors (3626591064124).

3866958847376 is a wasteful number, since it uses less digits than its factorization.

3866958847376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42488546 (or 42488540 counting only the distinct ones).

The product of its digits is 8778792960, while the sum is 80.

The spelling of 3866958847376 in words is "three trillion, eight hundred sixty-six billion, nine hundred fifty-eight million, eight hundred forty-seven thousand, three hundred seventy-six".