7798954223 has 4 divisors (see below), whose sum is σ = 7799144928. Its totient is φ = 7798763520.

The previous prime is 7798954199. The next prime is 7798954231. The reversal of 7798954223 is 3224598977.

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 7798954223 - 2¹⁸ = 7798692079 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 (7798914223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6263 + ... + 125048.

It is an arithmetic number, because the mean of its divisors is an integer number (1949786232).

Almost surely, 2^7798954223 is an apocalyptic number.

7798954223 is a deficient number, since it is larger than the sum of its proper divisors (190705).

7798954223 is a wasteful number, since it uses less digits than its factorization.

7798954223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190704.

The product of its digits is 7620480, while the sum is 56.

The square root of 7798954223 is about 88311.6879184177. The cubic root of 7798954223 is about 1983.1038472201.

The spelling of 7798954223 in words is "seven billion, seven hundred ninety-eight million, nine hundred fifty-four thousand, two hundred twenty-three".