387050842205 has 4 divisors (see below), whose sum is σ = 464461010652. Its totient is φ = 309640673760.

The previous prime is 387050842193. The next prime is 387050842231. The reversal of 387050842205 is 502248050783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502248050783 = 61 ⋅8233574603.

It can be written as a sum of positive squares in 2 ways, for example, as 269191832569 + 117859009636 = 518837^2 + 343306^2 .

It is not a de Polignac number, because 387050842205 - 2²² = 387046647901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38705084216 + ... + 38705084225.

It is an arithmetic number, because the mean of its divisors is an integer number (116115252663).

Almost surely, 2^387050842205 is an apocalyptic number.

It is an amenable number.

387050842205 is a deficient number, since it is larger than the sum of its proper divisors (77410168447).

387050842205 is an equidigital number, since it uses as much as digits as its factorization.

387050842205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77410168446.

The product of its (nonzero) digits is 537600, while the sum is 44.

Adding to 387050842205 its reverse (502248050783), we get a palindrome (889298892988).

The spelling of 387050842205 in words is "three hundred eighty-seven billion, fifty million, eight hundred forty-two thousand, two hundred five".