387142618405 has 32 divisors (see below), whose sum is σ = 474012000000. Its totient is φ = 303456935424.

The previous prime is 387142618393. The next prime is 387142618439. The reversal of 387142618405 is 504816241783.

It is a cyclic number.

It is not a de Polignac number, because 387142618405 - 2¹³ = 387142610213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140828971 + ... + 140831719.

It is an arithmetic number, because the mean of its divisors is an integer number (14812875000).

Almost surely, 2^387142618405 is an apocalyptic number.

It is an amenable number.

387142618405 is a deficient number, since it is larger than the sum of its proper divisors (86869381595).

387142618405 is a wasteful number, since it uses less digits than its factorization.

387142618405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 387142618405 in words is "three hundred eighty-seven billion, one hundred forty-two million, six hundred eighteen thousand, four hundred five".