387925885 has 8 divisors (see below), whose sum is σ = 473401440. Its totient is φ = 305080464.

The previous prime is 387925883. The next prime is 387925933. The reversal of 387925885 is 588529783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 387925885 - 2¹ = 387925883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387925883) 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 7 ways as a sum of consecutive naturals, for example, 657207 + ... + 657796.

It is an arithmetic number, because the mean of its divisors is an integer number (59175180).

Almost surely, 2^387925885 is an apocalyptic number.

It is an amenable number.

387925885 is a deficient number, since it is larger than the sum of its proper divisors (85475555).

387925885 is a wasteful number, since it uses less digits than its factorization.

387925885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315067.

The product of its digits is 4838400, while the sum is 55.

The square root of 387925885 is about 19695.8342042169. The cubic root of 387925885 is about 729.3168595031.

The spelling of 387925885 in words is "three hundred eighty-seven million, nine hundred twenty-five thousand, eight hundred eighty-five".