78371346630146 has 16 divisors (see below), whose sum is σ = 124474391344800. Its totient is φ = 36879966277440.

The previous prime is 78371346630139. The next prime is 78371346630151. The reversal of 78371346630146 is 64103664317387.

It is a happy number.

It is a super-2 number, since 2×78371346630146² (a number of 29 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 18948296 + ... + 22710803.

It is an arithmetic number, because the mean of its divisors is an integer number (7779649459050).

Almost surely, 2^{78371346630146} is an apocalyptic number.

78371346630146 is a deficient number, since it is larger than the sum of its proper divisors (46103044714654).

78371346630146 is a wasteful number, since it uses less digits than its factorization.

78371346630146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41714449.

The product of its (nonzero) digits is 36578304, while the sum is 59.

The spelling of 78371346630146 in words is "seventy-eight trillion, three hundred seventy-one billion, three hundred forty-six million, six hundred thirty thousand, one hundred forty-six".