2378857873 has 8 divisors (see below), whose sum is σ = 2719361792. Its totient is φ = 2038520736.

The previous prime is 2378857829. The next prime is 2378857891. The reversal of 2378857873 is 3787588732.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2378857873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2378857373) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9465 + ... + 69622.

It is an arithmetic number, because the mean of its divisors is an integer number (339920224).

Almost surely, 2^2378857873 is an apocalyptic number.

It is an amenable number.

2378857873 is a deficient number, since it is larger than the sum of its proper divisors (340503919).

2378857873 is an equidigital number, since it uses as much as digits as its factorization.

2378857873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83391.

The product of its digits is 15805440, while the sum is 58.

The square root of 2378857873 is about 48773.5366054175. The cubic root of 2378857873 is about 1334.9228444143.

The spelling of 2378857873 in words is "two billion, three hundred seventy-eight million, eight hundred fifty-seven thousand, eight hundred seventy-three".