387538877 has 16 divisors (see below), whose sum is σ = 445953600. Its totient is φ = 333066240.

The previous prime is 387538867. The next prime is 387538901. The reversal of 387538877 is 778835783.

It is a cyclic number.

It is not a de Polignac number, because 387538877 - 2⁶ = 387538813 is a prime.

It is a super-2 number, since 2×387538877² = 300372762372842258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387538807) 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 15 ways as a sum of consecutive naturals, for example, 114749 + ... + 118077.

It is an arithmetic number, because the mean of its divisors is an integer number (27872100).

Almost surely, 2^387538877 is an apocalyptic number.

It is an amenable number.

387538877 is a deficient number, since it is larger than the sum of its proper divisors (58414723).

387538877 is a wasteful number, since it uses less digits than its factorization.

387538877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916.

The product of its digits is 7902720, while the sum is 56.

The square root of 387538877 is about 19686.0071370504. The cubic root of 387538877 is about 729.0742484070.

The spelling of 387538877 in words is "three hundred eighty-seven million, five hundred thirty-eight thousand, eight hundred seventy-seven".