9942122078 has 8 divisors (see below), whose sum is σ = 17043637872. Its totient is φ = 4260909456.

The previous prime is 9942122059. The next prime is 9942122081. The reversal of 9942122078 is 8702212499.

9942122078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355075775 + ... + 355075802.

It is an arithmetic number, because the mean of its divisors is an integer number (2130454734).

Almost surely, 2^9942122078 is an apocalyptic number.

9942122078 is a deficient number, since it is larger than the sum of its proper divisors (7101515794).

9942122078 is a wasteful number, since it uses less digits than its factorization.

9942122078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710151586.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 9942122078 is about 99710.1904421008. The cubic root of 9942122078 is about 2150.2701717813.

The spelling of 9942122078 in words is "nine billion, nine hundred forty-two million, one hundred twenty-two thousand, seventy-eight".