3865107573750 has 80 divisors (see below), whose sum is σ = 9753461093376. Its totient is φ = 1020688500000.

The previous prime is 3865107573713. The next prime is 3865107573751. The reversal of 3865107573750 is 573757015683.

It is a super-2 number, since 2×3865107573750² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865107573751) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4617126 + ... + 5389625.

Almost surely, 2^{3865107573750} is an apocalyptic number.

3865107573750 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3865107573750 is an abundant number, since it is smaller than the sum of its proper divisors (5888353519626).

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

3865107573750 is a wasteful number, since it uses less digits than its factorization.

3865107573750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10006879 (or 10006864 counting only the distinct ones).

The product of its (nonzero) digits is 18522000, while the sum is 57.

The spelling of 3865107573750 in words is "three trillion, eight hundred sixty-five billion, one hundred seven million, five hundred seventy-three thousand, seven hundred fifty".