78871479825345 has 32 divisors (see below), whose sum is σ = 132984852482304. Its totient is φ = 39837510240000.

The previous prime is 78871479825331. The next prime is 78871479825373. The reversal of 78871479825345 is 54352897417887.

It is not a de Polignac number, because 78871479825345 - 2⁷ = 78871479825217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1131712606 + ... + 1131782295.

It is an arithmetic number, because the mean of its divisors is an integer number (4155776640072).

Almost surely, 2^{78871479825345} is an apocalyptic number.

It is an amenable number.

78871479825345 is a deficient number, since it is larger than the sum of its proper divisors (54113372656959).

78871479825345 is a wasteful number, since it uses less digits than its factorization.

78871479825345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263495033.

The product of its digits is 3793305600, while the sum is 78.

The spelling of 78871479825345 in words is "seventy-eight trillion, eight hundred seventy-one billion, four hundred seventy-nine million, eight hundred twenty-five thousand, three hundred forty-five".