7919706817 has 8 divisors (see below), whose sum is σ = 9015318720. Its totient is φ = 6886701360.

The previous prime is 7919706797. The next prime is 7919706827. The reversal of 7919706817 is 7186079197.

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

It is not a de Polignac number, because 7919706817 - 2⁷ = 7919706689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7919706827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15651342 + ... + 15651847.

It is an arithmetic number, because the mean of its divisors is an integer number (1126914840).

Almost surely, 2^7919706817 is an apocalyptic number.

It is an amenable number.

7919706817 is a deficient number, since it is larger than the sum of its proper divisors (1095611903).

7919706817 is a wasteful number, since it uses less digits than its factorization.

7919706817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31303223.

The product of its (nonzero) digits is 1333584, while the sum is 55.

The square root of 7919706817 is about 88992.7346304180. The cubic root of 7919706817 is about 1993.2863903561.

The spelling of 7919706817 in words is "seven billion, nine hundred nineteen million, seven hundred six thousand, eight hundred seventeen".