78593041855 has 8 divisors (see below), whose sum is σ = 94339631232. Its totient is φ = 62855779488.

The previous prime is 78593041789. The next prime is 78593041859. The reversal of 78593041855 is 55814039587.

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 78593041855 - 2³⁵ = 44233303487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78593041796 and 78593041805.

It is a congruent number.

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, 2313199 + ... + 2346928.

It is an arithmetic number, because the mean of its divisors is an integer number (11792453904).

Almost surely, 2^78593041855 is an apocalyptic number.

78593041855 is a deficient number, since it is larger than the sum of its proper divisors (15746589377).

78593041855 is a wasteful number, since it uses less digits than its factorization.

78593041855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663505.

The product of its (nonzero) digits is 6048000, while the sum is 55.

The spelling of 78593041855 in words is "seventy-eight billion, five hundred ninety-three million, forty-one thousand, eight hundred fifty-five".