387542111 has 16 divisors (see below), whose sum is σ = 443197440. Its totient is φ = 335433120.

The previous prime is 387542093. The next prime is 387542161. The reversal of 387542111 is 111245783.

It is not a de Polignac number, because 387542111 - 2¹⁸ = 387279967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387542161) 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 15 ways as a sum of consecutive naturals, for example, 52985 + ... + 59853.

It is an arithmetic number, because the mean of its divisors is an integer number (27699840).

Almost surely, 2^387542111 is an apocalyptic number.

387542111 is a deficient number, since it is larger than the sum of its proper divisors (55655329).

387542111 is a wasteful number, since it uses less digits than its factorization.

387542111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7126.

The product of its digits is 6720, while the sum is 32.

The square root of 387542111 is about 19686.0892764409. The cubic root of 387542111 is about 729.0762764354.

Adding to 387542111 its reverse (111245783), we get a palindrome (498787894).

The spelling of 387542111 in words is "three hundred eighty-seven million, five hundred forty-two thousand, one hundred eleven".