2278850399 has 12 divisors (see below), whose sum is σ = 2651833800. Its totient is φ = 1952617968.

The previous prime is 2278850389. The next prime is 2278850401. The reversal of 2278850399 is 9930588722.

It is a de Polignac number, because none of the positive numbers 2^k-2278850399 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2278850399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278850359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175472 + ... + 188010.

It is an arithmetic number, because the mean of its divisors is an integer number (220986150).

Almost surely, 2^2278850399 is an apocalyptic number.

2278850399 is a deficient number, since it is larger than the sum of its proper divisors (372983401).

2278850399 is a wasteful number, since it uses less digits than its factorization.

2278850399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16262 (or 16255 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 2278850399 is about 47737.3061556682. The cubic root of 2278850399 is about 1315.9476269334.

The spelling of 2278850399 in words is "two billion, two hundred seventy-eight million, eight hundred fifty thousand, three hundred ninety-nine".