387049879 has 4 divisors (see below), whose sum is σ = 387090184. Its totient is φ = 387009576.

The previous prime is 387049867. The next prime is 387049891. The reversal of 387049879 is 978940783.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (387049867) and next prime (387049891).

It is a cyclic number.

It is not a de Polignac number, because 387049879 - 2⁵ = 387049847 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 (387049679) 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, 3529 + ... + 28045.

It is an arithmetic number, because the mean of its divisors is an integer number (96772546).

Almost surely, 2^387049879 is an apocalyptic number.

387049879 is a deficient number, since it is larger than the sum of its proper divisors (40305).

387049879 is a wasteful number, since it uses less digits than its factorization.

387049879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40304.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 387049879 is about 19673.5832780915. The cubic root of 387049879 is about 728.7674698043.

The spelling of 387049879 in words is "three hundred eighty-seven million, forty-nine thousand, eight hundred seventy-nine".