386785582155 has 48 divisors (see below), whose sum is σ = 772237000704. Its totient is φ = 175423993920.

The previous prime is 386785582151. The next prime is 386785582163. The reversal of 386785582155 is 551285587683.

It is a happy number.

386785582155 is a `hidden beast` number, since 3 + 8 + 6 + 7 + 8 + 558 + 21 + 55 = 666.

386785582155 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 386785582155 - 2² = 386785582151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 386785582092 and 386785582101.

It is not an unprimeable number, because it can be changed into a prime (386785582151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4794211 + ... + 4874220.

It is an arithmetic number, because the mean of its divisors is an integer number (16088270848).

Almost surely, 2^386785582155 is an apocalyptic number.

386785582155 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

386785582155 is a deficient number, since it is larger than the sum of its proper divisors (385451418549).

386785582155 is a wasteful number, since it uses less digits than its factorization.

386785582155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9668576 (or 9668573 counting only the distinct ones).

The product of its digits is 80640000, while the sum is 63.

The spelling of 386785582155 in words is "three hundred eighty-six billion, seven hundred eighty-five million, five hundred eighty-two thousand, one hundred fifty-five".