3870517387 has 8 divisors (see below), whose sum is σ = 4257279792. Its totient is φ = 3518650960.

The previous prime is 3870517361. The next prime is 3870517429. The reversal of 3870517387 is 7837150783.

It is a happy number.

It is not a de Polignac number, because 3870517387 - 2¹¹ = 3870515339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3870517387.

It is not an unprimeable number, because it can be changed into a prime (3870511387) by changing a digit.

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, 1452658 + ... + 1455319.

It is an arithmetic number, because the mean of its divisors is an integer number (532159974).

Almost surely, 2^3870517387 is an apocalyptic number.

3870517387 is a deficient number, since it is larger than the sum of its proper divisors (386762405).

3870517387 is an equidigital number, since it uses as much as digits as its factorization.

3870517387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908010 (or 2907988 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 49.

The square root of 3870517387 is about 62213.4823571226. The cubic root of 3870517387 is about 1570.0844325561.

The spelling of 3870517387 in words is "three billion, eight hundred seventy million, five hundred seventeen thousand, three hundred eighty-seven".