2378887247 has 4 divisors (see below), whose sum is σ = 2595149736. Its totient is φ = 2162624760.

The previous prime is 2378887241. The next prime is 2378887253. The reversal of 2378887247 is 7427888732.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2378887241) and next prime (2378887253).

It is a cyclic number.

It is not a de Polignac number, because 2378887247 - 2²⁶ = 2311778383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2378887192 and 2378887201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2378887241) 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 3 ways as a sum of consecutive naturals, for example, 108131228 + ... + 108131249.

It is an arithmetic number, because the mean of its divisors is an integer number (648787434).

Almost surely, 2^2378887247 is an apocalyptic number.

2378887247 is a deficient number, since it is larger than the sum of its proper divisors (216262489).

2378887247 is a wasteful number, since it uses less digits than its factorization.

2378887247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216262488.

The product of its digits is 8429568, while the sum is 56.

The square root of 2378887247 is about 48773.8377308983. The cubic root of 2378887247 is about 1334.9283389085.

The spelling of 2378887247 in words is "two billion, three hundred seventy-eight million, eight hundred eighty-seven thousand, two hundred forty-seven".