387085577 has 4 divisors (see below), whose sum is σ = 387294336. Its totient is φ = 386876820.

The previous prime is 387085549. The next prime is 387085603. The reversal of 387085577 is 775580783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 387085577 - 2¹² = 387081481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387085507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101573 + ... + 105314.

It is an arithmetic number, because the mean of its divisors is an integer number (96823584).

Almost surely, 2^387085577 is an apocalyptic number.

It is an amenable number.

387085577 is a deficient number, since it is larger than the sum of its proper divisors (208759).

387085577 is a wasteful number, since it uses less digits than its factorization.

387085577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208758.

The product of its (nonzero) digits is 1646400, while the sum is 50.

The square root of 387085577 is about 19674.4905143691. The cubic root of 387085577 is about 728.7898741014.

The spelling of 387085577 in words is "three hundred eighty-seven million, eighty-five thousand, five hundred seventy-seven".