78465743047173 has 16 divisors (see below), whose sum is σ = 104631569551872. Its totient is φ = 52305206310000.

The previous prime is 78465743047033. The next prime is 78465743047183. The reversal of 78465743047173 is 37174034756487.

It is not a de Polignac number, because 78465743047173 - 2⁴⁰ = 77366231419397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78465743047183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2543362198 + ... + 2543393048.

It is an arithmetic number, because the mean of its divisors is an integer number (6539473096992).

Almost surely, 2^{78465743047173} is an apocalyptic number.

It is an amenable number.

78465743047173 is a deficient number, since it is larger than the sum of its proper divisors (26165826504699).

78465743047173 is a wasteful number, since it uses less digits than its factorization.

78465743047173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89096.

The product of its (nonzero) digits is 331914240, while the sum is 66.

The spelling of 78465743047173 in words is "seventy-eight trillion, four hundred sixty-five billion, seven hundred forty-three million, forty-seven thousand, one hundred seventy-three".