9791276384255 has 4 divisors (see below), whose sum is σ = 11749531661112. Its totient is φ = 7833021107400.

The previous prime is 9791276384251. The next prime is 9791276384473. The reversal of 9791276384255 is 5524836721979.

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

It is not a de Polignac number, because 9791276384255 - 2² = 9791276384251 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 (9791276384251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979127638421 + ... + 979127638430.

It is an arithmetic number, because the mean of its divisors is an integer number (2937382915278).

Almost surely, 2^{9791276384255} is an apocalyptic number.

9791276384255 is a deficient number, since it is larger than the sum of its proper divisors (1958255276857).

9791276384255 is a wasteful number, since it uses less digits than its factorization.

9791276384255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958255276856.

The product of its digits is 228614400, while the sum is 68.

The spelling of 9791276384255 in words is "nine trillion, seven hundred ninety-one billion, two hundred seventy-six million, three hundred eighty-four thousand, two hundred fifty-five".