387642474512 has 20 divisors (see below), whose sum is σ = 775284950016. Its totient is φ = 187568939040.

The previous prime is 387642474511. The next prime is 387642474521. The reversal of 387642474512 is 215474246783.

387642474512 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (387642474511) 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, 390768128 + ... + 390769119.

Almost surely, 2^387642474512 is an apocalyptic number.

It is an amenable number.

387642474512 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

387642474512 is a wasteful number, since it uses less digits than its factorization.

387642474512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781537286 (or 781537280 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 53.

The spelling of 387642474512 in words is "three hundred eighty-seven billion, six hundred forty-two million, four hundred seventy-four thousand, five hundred twelve".