2247878959 has 4 divisors (see below), whose sum is σ = 2248079416. Its totient is φ = 2247678504.

The previous prime is 2247878953. The next prime is 2247878977. The reversal of 2247878959 is 9598787422.

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 2247878959 - 2¹⁵ = 2247846191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2247878897 and 2247878906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2247878953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82344 + ... + 106189.

It is an arithmetic number, because the mean of its divisors is an integer number (562019854).

Almost surely, 2^2247878959 is an apocalyptic number.

2247878959 is a deficient number, since it is larger than the sum of its proper divisors (200457).

2247878959 is a wasteful number, since it uses less digits than its factorization.

2247878959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200456.

The product of its digits is 20321280, while the sum is 61.

The square root of 2247878959 is about 47411.8018957306. The cubic root of 2247878959 is about 1309.9588120997.

The spelling of 2247878959 in words is "two billion, two hundred forty-seven million, eight hundred seventy-eight thousand, nine hundred fifty-nine".