3860561387 has 2 divisors, whose sum is σ = 3860561388. Its totient is φ = 3860561386.

The previous prime is 3860561357. The next prime is 3860561401. The reversal of 3860561387 is 7831650683.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3860561387 - 2²² = 3856367083 is a prime.

It is not a weakly prime, because it can be changed into another prime (3860561317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1930280693 + 1930280694.

It is an arithmetic number, because the mean of its divisors is an integer number (1930280694).

Almost surely, 2^3860561387 is an apocalyptic number.

3860561387 is a deficient number, since it is larger than the sum of its proper divisors (1).

3860561387 is an equidigital number, since it uses as much as digits as its factorization.

3860561387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 3860561387 is about 62133.4160255172. The cubic root of 3860561387 is about 1568.7370517241.

The spelling of 3860561387 in words is "three billion, eight hundred sixty million, five hundred sixty-one thousand, three hundred eighty-seven".