78559278624001 has 8 divisors (see below), whose sum is σ = 89782086397184. Its totient is φ = 67336484271840.

The previous prime is 78559278623989. The next prime is 78559278624011. The reversal of 78559278624001 is 10042687295587.

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

It is a de Polignac number, because none of the positive numbers 2^k-78559278624001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78559278624011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20406781 + ... + 23949013.

It is an arithmetic number, because the mean of its divisors is an integer number (11222760799648).

Almost surely, 2^{78559278624001} is an apocalyptic number.

It is an amenable number.

78559278624001 is a deficient number, since it is larger than the sum of its proper divisors (11222807773183).

78559278624001 is a wasteful number, since it uses less digits than its factorization.

78559278624001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6710511.

The product of its (nonzero) digits is 67737600, while the sum is 64.

The spelling of 78559278624001 in words is "seventy-eight trillion, five hundred fifty-nine billion, two hundred seventy-eight million, six hundred twenty-four thousand, one".