3985157075 has 12 divisors (see below), whose sum is σ = 4943215608. Its totient is φ = 3187080000.

The previous prime is 3985157047. The next prime is 3985157081. The reversal of 3985157075 is 5707515893.

It is not a de Polignac number, because 3985157075 - 2²⁴ = 3968379859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56759 + ... + 105791.

It is an arithmetic number, because the mean of its divisors is an integer number (411934634).

Almost surely, 2^3985157075 is an apocalyptic number.

3985157075 is a deficient number, since it is larger than the sum of its proper divisors (958058533).

3985157075 is a wasteful number, since it uses less digits than its factorization.

3985157075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52294 (or 52289 counting only the distinct ones).

The product of its (nonzero) digits is 1323000, while the sum is 50.

The square root of 3985157075 is about 63128.1005179152. The cubic root of 3985157075 is about 1585.4351454124.

The spelling of 3985157075 in words is "three billion, nine hundred eighty-five million, one hundred fifty-seven thousand, seventy-five".