3868172261078 has 16 divisors (see below), whose sum is σ = 6003129127680. Its totient is φ = 1867146837696.

The previous prime is 3868172261069. The next prime is 3868172261099. The reversal of 3868172261078 is 8701622718683.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3961526 + ... + 4840457.

It is an arithmetic number, because the mean of its divisors is an integer number (375195570480).

Almost surely, 2^{3868172261078} is an apocalyptic number.

3868172261078 is a deficient number, since it is larger than the sum of its proper divisors (2134956866602).

3868172261078 is a wasteful number, since it uses less digits than its factorization.

3868172261078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8809591.

The product of its (nonzero) digits is 10838016, while the sum is 59.

The spelling of 3868172261078 in words is "three trillion, eight hundred sixty-eight billion, one hundred seventy-two million, two hundred sixty-one thousand, seventy-eight".