387886479 has 4 divisors (see below), whose sum is σ = 517181976. Its totient is φ = 258590984.

The previous prime is 387886469. The next prime is 387886481. The reversal of 387886479 is 974688783.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 387886479 - 2¹⁹ = 387362191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387886409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64647744 + ... + 64647749.

It is an arithmetic number, because the mean of its divisors is an integer number (129295494).

Almost surely, 2^387886479 is an apocalyptic number.

387886479 is a deficient number, since it is larger than the sum of its proper divisors (129295497).

387886479 is a wasteful number, since it uses less digits than its factorization.

387886479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129295496.

The product of its digits is 16257024, while the sum is 60.

The square root of 387886479 is about 19694.8338149881. The cubic root of 387886479 is about 729.2921636918.

The spelling of 387886479 in words is "three hundred eighty-seven million, eight hundred eighty-six thousand, four hundred seventy-nine".