2280078447 has 4 divisors (see below), whose sum is σ = 3040104600. Its totient is φ = 1520052296.

The previous prime is 2280078443. The next prime is 2280078457. The reversal of 2280078447 is 7448700822.

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 2280078447 - 2² = 2280078443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2280078399 and 2280078408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2280078443) 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, 380013072 + ... + 380013077.

It is an arithmetic number, because the mean of its divisors is an integer number (760026150).

Almost surely, 2^2280078447 is an apocalyptic number.

2280078447 is a deficient number, since it is larger than the sum of its proper divisors (760026153).

2280078447 is an equidigital number, since it uses as much as digits as its factorization.

2280078447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760026152.

The product of its (nonzero) digits is 200704, while the sum is 42.

The square root of 2280078447 is about 47750.1669840012. The cubic root of 2280078447 is about 1316.1839678312.

The spelling of 2280078447 in words is "two billion, two hundred eighty million, seventy-eight thousand, four hundred forty-seven".