2378122799 has 4 divisors (see below), whose sum is σ = 2561055336. Its totient is φ = 2195190264.

The previous prime is 2378122787. The next prime is 2378122801. The reversal of 2378122799 is 9972218732.

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 2378122799 - 2¹⁶ = 2378057263 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 (2378122709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91466249 + ... + 91466274.

It is an arithmetic number, because the mean of its divisors is an integer number (640263834).

Almost surely, 2^2378122799 is an apocalyptic number.

2378122799 is a deficient number, since it is larger than the sum of its proper divisors (182932537).

2378122799 is a wasteful number, since it uses less digits than its factorization.

2378122799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182932536.

The product of its digits is 762048, while the sum is 50.

The square root of 2378122799 is about 48766.0004408809. Note that the first 3 decimals coincide. The cubic root of 2378122799 is about 1334.7853319025.

The spelling of 2378122799 in words is "two billion, three hundred seventy-eight million, one hundred twenty-two thousand, seven hundred ninety-nine".