4380686878 has 4 divisors (see below), whose sum is σ = 6571030320. Its totient is φ = 2190343438.

The previous prime is 4380686851. The next prime is 4380686917. The reversal of 4380686878 is 8786860834.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8786860834 = 2 ⋅4393430417.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1095171718 + ... + 1095171721.

It is an arithmetic number, because the mean of its divisors is an integer number (1642757580).

Almost surely, 2^4380686878 is an apocalyptic number.

4380686878 is a deficient number, since it is larger than the sum of its proper divisors (2190343442).

4380686878 is a wasteful number, since it uses less digits than its factorization.

4380686878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190343441.

The product of its (nonzero) digits is 12386304, while the sum is 58.

The square root of 4380686878 is about 66186.7575727955. The cubic root of 4380686878 is about 1636.2415017914.

The spelling of 4380686878 in words is "four billion, three hundred eighty million, six hundred eighty-six thousand, eight hundred seventy-eight".