79921622695 has 8 divisors (see below), whose sum is σ = 96855511680. Its totient is φ = 63304255200.

The previous prime is 79921622687. The next prime is 79921622771. The reversal of 79921622695 is 59622612997.

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

It is not a de Polignac number, because 79921622695 - 2³ = 79921622687 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79129815 + ... + 79130824.

It is an arithmetic number, because the mean of its divisors is an integer number (12106938960).

Almost surely, 2^79921622695 is an apocalyptic number.

79921622695 is a deficient number, since it is larger than the sum of its proper divisors (16933888985).

79921622695 is a wasteful number, since it uses less digits than its factorization.

79921622695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158260745.

The product of its digits is 7348320, while the sum is 58.

The spelling of 79921622695 in words is "seventy-nine billion, nine hundred twenty-one million, six hundred twenty-two thousand, six hundred ninety-five".