78530342224665 has 16 divisors (see below), whose sum is σ = 125754939245376. Its totient is φ = 41847385291200.

The previous prime is 78530342224643. The next prime is 78530342224693. The reversal of 78530342224665 is 56642224303587.

It is not a de Polignac number, because 78530342224665 - 2⁸ = 78530342224409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2216475151 + ... + 2216510580.

It is an arithmetic number, because the mean of its divisors is an integer number (7859683702836).

Almost surely, 2^{78530342224665} is an apocalyptic number.

It is an amenable number.

78530342224665 is a deficient number, since it is larger than the sum of its proper divisors (47224597020711).

78530342224665 is a wasteful number, since it uses less digits than its factorization.

78530342224665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4432986920.

The product of its (nonzero) digits is 58060800, while the sum is 57.

The spelling of 78530342224665 in words is "seventy-eight trillion, five hundred thirty billion, three hundred forty-two million, two hundred twenty-four thousand, six hundred sixty-five".