2378028291 has 16 divisors (see below), whose sum is σ = 3213511200. Its totient is φ = 1564028928.

The previous prime is 2378028227. The next prime is 2378028311. The reversal of 2378028291 is 1928208732.

It is a happy number.

It is not a de Polignac number, because 2378028291 - 2⁶ = 2378028227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2378028091) 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 15 ways as a sum of consecutive naturals, for example, 112275 + ... + 131763.

It is an arithmetic number, because the mean of its divisors is an integer number (200844450).

Almost surely, 2^2378028291 is an apocalyptic number.

2378028291 is a deficient number, since it is larger than the sum of its proper divisors (835482909).

2378028291 is a wasteful number, since it uses less digits than its factorization.

2378028291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20038.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 2378028291 is about 48765.0314364709. The cubic root of 2378028291 is about 1334.7676499500.

The spelling of 2378028291 in words is "two billion, three hundred seventy-eight million, twenty-eight thousand, two hundred ninety-one".