78593041857 has 8 divisors (see below), whose sum is σ = 114317151840. Its totient is φ = 47632146560.

The previous prime is 78593041789. The next prime is 78593041859. The reversal of 78593041857 is 75814039587.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 78593041857 - 2²³ = 78584653249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78593041797 and 78593041806.

It is not an unprimeable number, because it can be changed into a prime (78593041859) 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, 1190803632 + ... + 1190803697.

It is an arithmetic number, because the mean of its divisors is an integer number (14289643980).

Almost surely, 2^78593041857 is an apocalyptic number.

It is an amenable number.

78593041857 is a deficient number, since it is larger than the sum of its proper divisors (35724109983).

78593041857 is a wasteful number, since it uses less digits than its factorization.

78593041857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381607343.

The product of its (nonzero) digits is 8467200, while the sum is 57.

The spelling of 78593041857 in words is "seventy-eight billion, five hundred ninety-three million, forty-one thousand, eight hundred fifty-seven".