7766532252 has 72 divisors (see below), whose sum is σ = 19762273440. Its totient is φ = 2571730560.

The previous prime is 7766532251. The next prime is 7766532281. The reversal of 7766532252 is 2522356677.

7766532252 is a `hidden beast` number, since 7 + 7 + 66 + 532 + 2 + 52 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7766532198 and 7766532207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7766532251) 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 23 ways as a sum of consecutive naturals, for example, 5201218 + ... + 5202710.

It is an arithmetic number, because the mean of its divisors is an integer number (274476020).

Almost surely, 2^7766532252 is an apocalyptic number.

It is an amenable number.

7766532252 is an abundant number, since it is smaller than the sum of its proper divisors (11995741188).

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

7766532252 is a wasteful number, since it uses less digits than its factorization.

7766532252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363 (or 2358 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The square root of 7766532252 is about 88127.9311682738. The cubic root of 7766532252 is about 1980.3519637552.

The spelling of 7766532252 in words is "seven billion, seven hundred sixty-six million, five hundred thirty-two thousand, two hundred fifty-two".