78881655330214 has 32 divisors (see below), whose sum is σ = 132182113368096. Its totient is φ = 35000210219520.

The previous prime is 78881655330193. The next prime is 78881655330241. The reversal of 78881655330214 is 41203355618887.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171474627 + ... + 171934030.

It is an arithmetic number, because the mean of its divisors is an integer number (4130691042753).

Almost surely, 2^{78881655330214} is an apocalyptic number.

78881655330214 is a deficient number, since it is larger than the sum of its proper divisors (53300458037882).

78881655330214 is a wasteful number, since it uses less digits than its factorization.

78881655330214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343408920.

The product of its (nonzero) digits is 38707200, while the sum is 61.

The spelling of 78881655330214 in words is "seventy-eight trillion, eight hundred eighty-one billion, six hundred fifty-five million, three hundred thirty thousand, two hundred fourteen".