9278497798 has 4 divisors (see below), whose sum is σ = 13917746700. Its totient is φ = 4639248898.

The previous prime is 9278497777. The next prime is 9278497799. The reversal of 9278497798 is 8977948729.

9278497798 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9278497799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2319624448 + ... + 2319624451.

It is an arithmetic number, because the mean of its divisors is an integer number (3479436675).

Almost surely, 2^9278497798 is an apocalyptic number.

9278497798 is a deficient number, since it is larger than the sum of its proper divisors (4639248902).

9278497798 is a wasteful number, since it uses less digits than its factorization.

9278497798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4639248901.

The product of its digits is 128024064, while the sum is 70.

The square root of 9278497798 is about 96324.9593719094. The cubic root of 9278497798 is about 2101.3217527890.

The spelling of 9278497798 in words is "nine billion, two hundred seventy-eight million, four hundred ninety-seven thousand, seven hundred ninety-eight".