2378220897 has 24 divisors (see below), whose sum is σ = 3437524704. Its totient is φ = 1461867264.

The previous prime is 2378220883. The next prime is 2378220931. The reversal of 2378220897 is 7980228732.

It is not a de Polignac number, because 2378220897 - 2⁶ = 2378220833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2378220697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 567273 + ... + 571449.

It is an arithmetic number, because the mean of its divisors is an integer number (143230196).

Almost surely, 2^2378220897 is an apocalyptic number.

It is an amenable number.

2378220897 is a deficient number, since it is larger than the sum of its proper divisors (1059303807).

2378220897 is a wasteful number, since it uses less digits than its factorization.

2378220897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5329 (or 5316 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 2378220897 is about 48767.0062337232. The cubic root of 2378220897 is about 1334.8036850298.

The spelling of 2378220897 in words is "two billion, three hundred seventy-eight million, two hundred twenty thousand, eight hundred ninety-seven".