2278828463 has 4 divisors (see below), whose sum is σ = 2285396040. Its totient is φ = 2272260888.

The previous prime is 2278828459. The next prime is 2278828493. The reversal of 2278828463 is 3648288722.

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 2278828463 - 2² = 2278828459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278828493) 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, 3283268 + ... + 3283961.

It is an arithmetic number, because the mean of its divisors is an integer number (571349010).

Almost surely, 2^2278828463 is an apocalyptic number.

2278828463 is a deficient number, since it is larger than the sum of its proper divisors (6567577).

2278828463 is an equidigital number, since it uses as much as digits as its factorization.

2278828463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567576.

The product of its digits is 2064384, while the sum is 50.

The square root of 2278828463 is about 47737.0763977016. The cubic root of 2278828463 is about 1315.9434045237.

The spelling of 2278828463 in words is "two billion, two hundred seventy-eight million, eight hundred twenty-eight thousand, four hundred sixty-three".