387820068 has 36 divisors (see below), whose sum is σ = 913353168. Its totient is φ = 128078720.

The previous prime is 387820067. The next prime is 387820079. The reversal of 387820068 is 860028783.

It is not an unprimeable number, because it can be changed into a prime (387820067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151963 + ... + 154493.

Almost surely, 2^387820068 is an apocalyptic number.

It is an amenable number.

387820068 is an abundant number, since it is smaller than the sum of its proper divisors (525533100).

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

387820068 is a wasteful number, since it uses less digits than its factorization.

387820068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764 (or 2649 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 387820068 is about 19693.1477422986. The cubic root of 387820068 is about 729.2505400133.

The spelling of 387820068 in words is "three hundred eighty-seven million, eight hundred twenty thousand, sixty-eight".