387527668 has 18 divisors (see below), whose sum is σ = 745431218. Its totient is φ = 176148720.

The previous prime is 387527641. The next prime is 387527669. The reversal of 387527668 is 866725783.

It can be written as a sum of positive squares in only one way, i.e., 289952784 + 97574884 = 17028^2 + 9878^2 .

It is a super-3 number, since 3×387527668³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387527669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 399855 + ... + 400822.

Almost surely, 2^387527668 is an apocalyptic number.

It is an amenable number.

387527668 is a deficient number, since it is larger than the sum of its proper divisors (357903550).

387527668 is a wasteful number, since it uses less digits than its factorization.

387527668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800703 (or 800690 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 52.

The square root of 387527668 is about 19685.7224403881. The cubic root of 387527668 is about 729.0672192008.

The spelling of 387527668 in words is "three hundred eighty-seven million, five hundred twenty-seven thousand, six hundred sixty-eight".