78842248102 has 8 divisors (see below), whose sum is σ = 119114188200. Its totient is φ = 39137518704.

The previous prime is 78842248099. The next prime is 78842248123. The reversal of 78842248102 is 20184224887.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×78842248102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141802327 + ... + 141802882.

It is an arithmetic number, because the mean of its divisors is an integer number (14889273525).

Almost surely, 2^78842248102 is an apocalyptic number.

78842248102 is a deficient number, since it is larger than the sum of its proper divisors (40271940098).

78842248102 is a wasteful number, since it uses less digits than its factorization.

78842248102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283605350.

The product of its (nonzero) digits is 458752, while the sum is 46.

The spelling of 78842248102 in words is "seventy-eight billion, eight hundred forty-two million, two hundred forty-eight thousand, one hundred two".