3889296685578 has 32 divisors (see below), whose sum is σ = 7844213683584. Its totient is φ = 1285529424192.

The previous prime is 3889296685537. The next prime is 3889296685627. The reversal of 3889296685578 is 8755866929883.

It is a Smith number, since the sum of its digits (84) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 3889296685578.

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, 3780225 + ... + 4697732.

It is an arithmetic number, because the mean of its divisors is an integer number (245131677612).

Almost surely, 2^{3889296685578} is an apocalyptic number.

3889296685578 is an abundant number, since it is smaller than the sum of its proper divisors (3954916998006).

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

3889296685578 is a wasteful number, since it uses less digits than its factorization.

3889296685578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8478606.

The product of its digits is 12541132800, while the sum is 84.

The spelling of 3889296685578 in words is "three trillion, eight hundred eighty-nine billion, two hundred ninety-six million, six hundred eighty-five thousand, five hundred seventy-eight".