7707660042 has 128 divisors (see below), whose sum is σ = 17348567040. Its totient is φ = 2271741120.

The previous prime is 7707660011. The next prime is 7707660067. The reversal of 7707660042 is 2400667077.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23285817 + ... + 23286147.

It is an arithmetic number, because the mean of its divisors is an integer number (135535680).

Almost surely, 2^7707660042 is an apocalyptic number.

7707660042 is an abundant number, since it is smaller than the sum of its proper divisors (9640906998).

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

7707660042 is a wasteful number, since it uses less digits than its factorization.

7707660042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568.

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 7707660042 is about 87793.2801642586. The cubic root of 7707660042 is about 1975.3354163649.

The spelling of 7707660042 in words is "seven billion, seven hundred seven million, six hundred sixty thousand, forty-two".