78213444673058 has 8 divisors (see below), whose sum is σ = 117344860807680. Its totient is φ = 39098491070500.

The previous prime is 78213444673027. The next prime is 78213444673081. The reversal of 78213444673058 is 85037644431287.

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

It is a super-3 number, since 3×78213444673058³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 4115621138 + ... + 4115640141.

It is an arithmetic number, because the mean of its divisors is an integer number (14668107600960).

Almost surely, 2^{78213444673058} is an apocalyptic number.

78213444673058 is a deficient number, since it is larger than the sum of its proper divisors (39131416134622).

78213444673058 is a wasteful number, since it uses less digits than its factorization.

78213444673058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8231266032.

The product of its (nonzero) digits is 108380160, while the sum is 62.

The spelling of 78213444673058 in words is "seventy-eight trillion, two hundred thirteen billion, four hundred forty-four million, six hundred seventy-three thousand, fifty-eight".