2378864815 has 32 divisors (see below), whose sum is σ = 3088005120. Its totient is φ = 1754759424.

The previous prime is 2378864737. The next prime is 2378864833. The reversal of 2378864815 is 5184688732.

It is not a de Polignac number, because 2378864815 - 2⁷ = 2378864687 is a prime.

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 in 31 ways as a sum of consecutive naturals, for example, 358851 + ... + 365419.

It is an arithmetic number, because the mean of its divisors is an integer number (96500160).

Almost surely, 2^2378864815 is an apocalyptic number.

2378864815 is a deficient number, since it is larger than the sum of its proper divisors (709140305).

2378864815 is a wasteful number, since it uses less digits than its factorization.

2378864815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6711.

The product of its digits is 2580480, while the sum is 52.

The square root of 2378864815 is about 48773.6077710066. The cubic root of 2378864815 is about 1334.9241429401.

The spelling of 2378864815 in words is "two billion, three hundred seventy-eight million, eight hundred sixty-four thousand, eight hundred fifteen".