7766532212 has 48 divisors (see below), whose sum is σ = 14816082960. Its totient is φ = 3547348992.

The previous prime is 7766532211. The next prime is 7766532251. The reversal of 7766532212 is 2122356677.

It can be written as a sum of positive squares in 8 ways, for example, as 371564176 + 7394968036 = 19276^2 + 85994^2 .

It is a super-2 number, since 2×7766532212² (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 7766532212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7766532211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1085864 + ... + 1092992.

It is an arithmetic number, because the mean of its divisors is an integer number (308668395).

Almost surely, 2^7766532212 is an apocalyptic number.

It is an amenable number.

7766532212 is a deficient number, since it is larger than the sum of its proper divisors (7049550748).

7766532212 is a wasteful number, since it uses less digits than its factorization.

7766532212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7620 (or 7618 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 7766532212 is about 88127.9309413310. The cubic root of 7766532212 is about 1980.3519603554.

Adding to 7766532212 its reverse (2122356677), we get a palindrome (9888888889).

The spelling of 7766532212 in words is "seven billion, seven hundred sixty-six million, five hundred thirty-two thousand, two hundred twelve".