386543987676 has 480 divisors, whose sum is σ = 1404193190400. Its totient is φ = 89519800320.

The previous prime is 386543987671. The next prime is 386543987681. The reversal of 386543987676 is 676789345683.

386543987676 is a `hidden beast` number, since 3 + 8 + 6 + 543 + 9 + 8 + 7 + 6 + 76 = 666.

It is an interprime number because it is at equal distance from previous prime (386543987671) and next prime (386543987681).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386543987671) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 8034220 + ... + 8082188.

It is an arithmetic number, because the mean of its divisors is an integer number (2925402480).

Almost surely, 2^386543987676 is an apocalyptic number.

386543987676 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 386543987676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702096595200).

386543987676 is an abundant number, since it is smaller than the sum of its proper divisors (1017649202724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

386543987676 is a wasteful number, since it uses less digits than its factorization.

386543987676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48039 (or 48028 counting only the distinct ones).

The product of its digits is 1097349120, while the sum is 72.

The spelling of 386543987676 in words is "three hundred eighty-six billion, five hundred forty-three million, nine hundred eighty-seven thousand, six hundred seventy-six".