79218282198 has 64 divisors (see below), whose sum is σ = 183237580800. Its totient is φ = 22603276800.

The previous prime is 79218282181. The next prime is 79218282203. The reversal of 79218282198 is 89128281297.

It is a super-2 number, since 2×79218282198² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 447523 + ... + 598926.

It is an arithmetic number, because the mean of its divisors is an integer number (2863087200).

Almost surely, 2^79218282198 is an apocalyptic number.

79218282198 is an abundant number, since it is smaller than the sum of its proper divisors (104019298602).

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

79218282198 is a wasteful number, since it uses less digits than its factorization.

79218282198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046533.

The product of its digits is 2322432, while the sum is 57.

Subtracting 79218282198 from its reverse (89128281297), we obtain a palindrome (9909999099).

The spelling of 79218282198 in words is "seventy-nine billion, two hundred eighteen million, two hundred eighty-two thousand, one hundred ninety-eight".