3870885436265 has 16 divisors (see below), whose sum is σ = 4907716257600. Its totient is φ = 2922817643712.

The previous prime is 3870885436261. The next prime is 3870885436267. The reversal of 3870885436265 is 5626345880783.

It is a cyclic number.

It is not a de Polignac number, because 3870885436265 - 2² = 3870885436261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3870885436261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75710807 + ... + 75761916.

It is an arithmetic number, because the mean of its divisors is an integer number (306732266100).

Almost surely, 2^{3870885436265} is an apocalyptic number.

It is an amenable number.

3870885436265 is a deficient number, since it is larger than the sum of its proper divisors (1036830821335).

3870885436265 is a wasteful number, since it uses less digits than its factorization.

3870885436265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151473016.

The product of its (nonzero) digits is 232243200, while the sum is 65.

The spelling of 3870885436265 in words is "three trillion, eight hundred seventy billion, eight hundred eighty-five million, four hundred thirty-six thousand, two hundred sixty-five".