78930222220202 has 16 divisors (see below), whose sum is σ = 118445392065600. Its totient is φ = 39448426776000.

The previous prime is 78930222220189. The next prime is 78930222220207. The reversal of 78930222220202 is 20202222203987.

It is a self number, because there is not a number n which added to its sum of digits gives 78930222220202.

It is not an unprimeable number, because it can be changed into a prime (78930222220207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83700827 + ... + 84638577.

It is an arithmetic number, because the mean of its divisors is an integer number (7402837004100).

Almost surely, 2^{78930222220202} is an apocalyptic number.

78930222220202 is a deficient number, since it is larger than the sum of its proper divisors (39515169845398).

78930222220202 is a wasteful number, since it uses less digits than its factorization.

78930222220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955501.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 78930222220202 in words is "seventy-eight trillion, nine hundred thirty billion, two hundred twenty-two million, two hundred twenty thousand, two hundred two".