7716894992818 has 16 divisors (see below), whose sum is σ = 12627918024480. Its totient is φ = 3507604077600.

The previous prime is 7716894992813. The next prime is 7716894992839. The reversal of 7716894992818 is 8182994986177.

It is a super-2 number, since 2×7716894992818² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7716894992813) 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, 2720883 + ... + 4778806.

It is an arithmetic number, because the mean of its divisors is an integer number (789244876530).

Almost surely, 2^{7716894992818} is an apocalyptic number.

7716894992818 is a deficient number, since it is larger than the sum of its proper divisors (4911023031662).

7716894992818 is a wasteful number, since it uses less digits than its factorization.

7716894992818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7546473.

The product of its digits is 877879296, while the sum is 79.

The spelling of 7716894992818 in words is "seven trillion, seven hundred sixteen billion, eight hundred ninety-four million, nine hundred ninety-two thousand, eight hundred eighteen".