78805601363 has 8 divisors (see below), whose sum is σ = 81429835776. Its totient is φ = 76186499400.

The previous prime is 78805601309. The next prime is 78805601393. The reversal of 78805601363 is 36310650887.

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 78805601363 - 2⁶ = 78805601299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78805601393) 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, 1251881 + ... + 1313322.

It is an arithmetic number, because the mean of its divisors is an integer number (10178729472).

Almost surely, 2^78805601363 is an apocalyptic number.

78805601363 is a deficient number, since it is larger than the sum of its proper divisors (2624234413).

78805601363 is a wasteful number, since it uses less digits than its factorization.

78805601363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566225.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 78805601363 in words is "seventy-eight billion, eight hundred five million, six hundred one thousand, three hundred sixty-three".