79675703891 has 8 divisors (see below), whose sum is σ = 93278873184. Its totient is φ = 66627766080.

The previous prime is 79675703867. The next prime is 79675703893. The reversal of 79675703891 is 19830757697.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79675703891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79675703893) 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, 138807560 + ... + 138808133.

It is an arithmetic number, because the mean of its divisors is an integer number (11659859148).

Almost surely, 2^79675703891 is an apocalyptic number.

79675703891 is a deficient number, since it is larger than the sum of its proper divisors (13603169293).

79675703891 is a wasteful number, since it uses less digits than its factorization.

79675703891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277615741.

The product of its (nonzero) digits is 20003760, while the sum is 62.

The spelling of 79675703891 in words is "seventy-nine billion, six hundred seventy-five million, seven hundred three thousand, eight hundred ninety-one".