78575622338 has 8 divisors (see below), whose sum is σ = 122987930688. Its totient is φ = 37579645444.

The previous prime is 78575622299. The next prime is 78575622421. The reversal of 78575622338 is 83322657587.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854082806 + ... + 854082897.

It is an arithmetic number, because the mean of its divisors is an integer number (15373491336).

Almost surely, 2^78575622338 is an apocalyptic number.

78575622338 is a deficient number, since it is larger than the sum of its proper divisors (44412308350).

78575622338 is a wasteful number, since it uses less digits than its factorization.

78575622338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708165728.

The product of its digits is 16934400, while the sum is 56.

The spelling of 78575622338 in words is "seventy-eight billion, five hundred seventy-five million, six hundred twenty-two thousand, three hundred thirty-eight".