7763461668 has 18 divisors (see below), whose sum is σ = 19624305974. Its totient is φ = 2587820544.

The previous prime is 7763461663. The next prime is 7763461669. The reversal of 7763461668 is 8661643677.

It can be written as a sum of positive squares in only one way, i.e., 6470915364 + 1292546304 = 80442^2 + 35952^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (7763461663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107825821 + ... + 107825892.

Almost surely, 2^7763461668 is an apocalyptic number.

It is an amenable number.

7763461668 is an abundant number, since it is smaller than the sum of its proper divisors (11860844306).

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

7763461668 is a wasteful number, since it uses less digits than its factorization.

7763461668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215651723 (or 215651718 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The square root of 7763461668 is about 88110.5082722827. The cubic root of 7763461668 is about 1980.0909447055.

The spelling of 7763461668 in words is "seven billion, seven hundred sixty-three million, four hundred sixty-one thousand, six hundred sixty-eight".