78805119579 has 8 divisors (see below), whose sum is σ = 105203376720. Its totient is φ = 52471804416.

The previous prime is 78805119563. The next prime is 78805119583. The reversal of 78805119579 is 97591150887.

It is a happy number.

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

It is not a de Polignac number, because 78805119579 - 2⁴ = 78805119563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78805119079) 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, 16232662 + ... + 16237515.

It is an arithmetic number, because the mean of its divisors is an integer number (13150422090).

Almost surely, 2^78805119579 is an apocalyptic number.

78805119579 is a deficient number, since it is larger than the sum of its proper divisors (26398257141).

78805119579 is a wasteful number, since it uses less digits than its factorization.

78805119579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32470989.

The product of its (nonzero) digits is 6350400, while the sum is 60.

The spelling of 78805119579 in words is "seventy-eight billion, eight hundred five million, one hundred nineteen thousand, five hundred seventy-nine".