387180513 has 8 divisors (see below), whose sum is σ = 573600800. Its totient is φ = 258120324.

The previous prime is 387180511. The next prime is 387180517. The reversal of 387180513 is 315081783.

It is not a de Polignac number, because 387180513 - 2¹ = 387180511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387180511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7169983 + ... + 7170036.

It is an arithmetic number, because the mean of its divisors is an integer number (71700100).

Almost surely, 2^387180513 is an apocalyptic number.

It is an amenable number.

387180513 is a deficient number, since it is larger than the sum of its proper divisors (186420287).

387180513 is a wasteful number, since it uses less digits than its factorization.

387180513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14340028 (or 14340022 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 387180513 is about 19676.9030337602. The cubic root of 387180513 is about 728.8494498507.

The spelling of 387180513 in words is "three hundred eighty-seven million, one hundred eighty thousand, five hundred thirteen".