387163785055 has 8 divisors (see below), whose sum is σ = 464639274000. Its totient is φ = 309702540096.

The previous prime is 387163785031. The next prime is 387163785059. The reversal of 387163785055 is 550587361783.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 387163785055 - 2²⁹ = 386626914143 is a prime.

It is a super-2 number, since 2×387163785055² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387163785059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3501105 + ... + 3609994.

It is an arithmetic number, because the mean of its divisors is an integer number (58079909250).

Almost surely, 2^387163785055 is an apocalyptic number.

387163785055 is a deficient number, since it is larger than the sum of its proper divisors (77475488945).

387163785055 is a wasteful number, since it uses less digits than its factorization.

387163785055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7121993.

The product of its (nonzero) digits is 21168000, while the sum is 58.

The spelling of 387163785055 in words is "three hundred eighty-seven billion, one hundred sixty-three million, seven hundred eighty-five thousand, fifty-five".