387836860212 has 96 divisors (see below), whose sum is σ = 1008892281600. Its totient is φ = 128843934336.

The previous prime is 387836860207. The next prime is 387836860217. The reversal of 387836860212 is 212068638783.

387836860212 is a `hidden beast` number, since 3 + 8 + 7 + 8 + 368 + 60 + 212 = 666.

It is an interprime number because it is at equal distance from previous prime (387836860207) and next prime (387836860217).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387836860217) 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 31 ways as a sum of consecutive naturals, for example, 42488793 + ... + 42497919.

It is an arithmetic number, because the mean of its divisors is an integer number (10509294600).

Almost surely, 2^387836860212 is an apocalyptic number.

It is an amenable number.

387836860212 is an abundant number, since it is smaller than the sum of its proper divisors (621055421388).

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

387836860212 is a wasteful number, since it uses less digits than its factorization.

387836860212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10422 (or 10414 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 387836860212 in words is "three hundred eighty-seven billion, eight hundred thirty-six million, eight hundred sixty thousand, two hundred twelve".