7701861968 has 20 divisors (see below), whose sum is σ = 15800143860. Its totient is φ = 3624405504.

The previous prime is 7701861961. The next prime is 7701861997. The reversal of 7701861968 is 8691681077.

It can be written as a sum of positive squares in 2 ways, for example, as 3596640784 + 4105221184 = 59972^2 + 64072^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7701861961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14157563 + ... + 14158106.

It is an arithmetic number, because the mean of its divisors is an integer number (790007193).

Almost surely, 2^7701861968 is an apocalyptic number.

It is an amenable number.

7701861968 is an abundant number, since it is smaller than the sum of its proper divisors (8098281892).

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

7701861968 is a wasteful number, since it uses less digits than its factorization.

7701861968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28315694 (or 28315688 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 53.

The square root of 7701861968 is about 87760.2527799459. The cubic root of 7701861968 is about 1974.8399778909.

The spelling of 7701861968 in words is "seven billion, seven hundred one million, eight hundred sixty-one thousand, nine hundred sixty-eight".