7669977216 has 64 divisors (see below), whose sum is σ = 22225514400. Its totient is φ = 2324234240.

The previous prime is 7669977199. The next prime is 7669977277. The reversal of 7669977216 is 6127799667.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×7669977216² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7669977216.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903681 + ... + 912128.

Almost surely, 2^7669977216 is an apocalyptic number.

It is an amenable number.

7669977216 is an abundant number, since it is smaller than the sum of its proper divisors (14555537184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7669977216 is a wasteful number, since it uses less digits than its factorization.

7669977216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815837 (or 1815825 counting only the distinct ones).

The product of its digits is 12002256, while the sum is 60.

The square root of 7669977216 is about 87578.4061056149. The cubic root of 7669977216 is about 1972.1110111450. Note that the first 3 decimals are identical.

The spelling of 7669977216 in words is "seven billion, six hundred sixty-nine million, nine hundred seventy-seven thousand, two hundred sixteen".