7718086966 has 4 divisors (see below), whose sum is σ = 11577130452. Its totient is φ = 3859043482.

The previous prime is 7718086963. The next prime is 7718086967. The reversal of 7718086966 is 6696808177.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7718086966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7718086963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1929521740 + ... + 1929521743.

It is an arithmetic number, because the mean of its divisors is an integer number (2894282613).

Almost surely, 2^7718086966 is an apocalyptic number.

7718086966 is a deficient number, since it is larger than the sum of its proper divisors (3859043486).

7718086966 is a wasteful number, since it uses less digits than its factorization.

7718086966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3859043485.

The product of its (nonzero) digits is 6096384, while the sum is 58.

The square root of 7718086966 is about 87852.6434775869. The cubic root of 7718086966 is about 1976.2257597115.

The spelling of 7718086966 in words is "seven billion, seven hundred eighteen million, eighty-six thousand, nine hundred sixty-six".