387117370201 has 4 divisors (see below), whose sum is σ = 388011406132. Its totient is φ = 386223334272.

The previous prime is 387117370139. The next prime is 387117370249. The reversal of 387117370201 is 102073711783.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102073711783 = 523 ⋅195169621.

It can be written as a sum of positive squares in 2 ways, for example, as 145740697600 + 241376672601 = 381760^2 + 491301^2 .

It is a cyclic number.

It is not a de Polignac number, because 387117370201 - 2²⁹ = 386580499289 is a prime.

It is a super-2 number, since 2×387117370201² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387117370261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447017316 + ... + 447018181.

It is an arithmetic number, because the mean of its divisors is an integer number (97002851533).

Almost surely, 2^387117370201 is an apocalyptic number.

It is an amenable number.

387117370201 is a deficient number, since it is larger than the sum of its proper divisors (894035931).

387117370201 is an equidigital number, since it uses as much as digits as its factorization.

387117370201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894035930.

The product of its (nonzero) digits is 49392, while the sum is 40.

The spelling of 387117370201 in words is "three hundred eighty-seven billion, one hundred seventeen million, three hundred seventy thousand, two hundred one".