8278203768 has 16 divisors (see below), whose sum is σ = 20695509480. Its totient is φ = 2759401248.

The previous prime is 8278203767. The next prime is 8278203809. The reversal of 8278203768 is 8673028728.

It is a self number, because there is not a number n which added to its sum of digits gives 8278203768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8278203767) 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, 172462555 + ... + 172462602.

Almost surely, 2^8278203768 is an apocalyptic number.

It is an amenable number.

8278203768 is an abundant number, since it is smaller than the sum of its proper divisors (12417305712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8278203768 is a wasteful number, since it uses less digits than its factorization.

8278203768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344925166 (or 344925162 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The square root of 8278203768 is about 90984.6347907162. The cubic root of 8278203768 is about 2022.9199811934.

The spelling of 8278203768 in words is "eight billion, two hundred seventy-eight million, two hundred three thousand, seven hundred sixty-eight".