298222177679 has 4 divisors (see below), whose sum is σ = 303276790920. Its totient is φ = 293167564440.

The previous prime is 298222177661. The next prime is 298222177787. The reversal of 298222177679 is 976771222892.

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 298222177679 - 2⁸ = 298222177423 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 (298222177619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527306532 + ... + 2527306649.

It is an arithmetic number, because the mean of its divisors is an integer number (75819197730).

Almost surely, 2^298222177679 is an apocalyptic number.

298222177679 is a deficient number, since it is larger than the sum of its proper divisors (5054613241).

298222177679 is an equidigital number, since it uses as much as digits as its factorization.

298222177679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5054613240.

The product of its digits is 21337344, while the sum is 62.

The spelling of 298222177679 in words is "two hundred ninety-eight billion, two hundred twenty-two million, one hundred seventy-seven thousand, six hundred seventy-nine".