387471880 has 32 divisors (see below), whose sum is σ = 886593600. Its totient is φ = 152360896.

The previous prime is 387471857. The next prime is 387471907. The reversal of 387471880 is 88174783.

It is a self number, because there is not a number n which added to its sum of digits gives 387471880.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79732 + ... + 84451.

It is an arithmetic number, because the mean of its divisors is an integer number (27706050).

Almost surely, 2^387471880 is an apocalyptic number.

It is an amenable number.

387471880 is an abundant number, since it is smaller than the sum of its proper divisors (499121720).

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

387471880 is a wasteful number, since it uses less digits than its factorization.

387471880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164253 (or 164249 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 46.

The square root of 387471880 is about 19684.3054233570. The cubic root of 387471880 is about 729.0322323192.

The spelling of 387471880 in words is "three hundred eighty-seven million, four hundred seventy-one thousand, eight hundred eighty".