7757830066 has 16 divisors (see below), whose sum is σ = 13309375104. Its totient is φ = 3322224864.

The previous prime is 7757830063. The next prime is 7757830097. The reversal of 7757830066 is 6600387577.

It is not an unprimeable number, because it can be changed into a prime (7757830061) 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 7 ways as a sum of consecutive naturals, for example, 194395 + ... + 230878.

It is an arithmetic number, because the mean of its divisors is an integer number (831835944).

Almost surely, 2^7757830066 is an apocalyptic number.

7757830066 is a deficient number, since it is larger than the sum of its proper divisors (5551545038).

7757830066 is a wasteful number, since it uses less digits than its factorization.

7757830066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426585.

The product of its (nonzero) digits is 1481760, while the sum is 49.

The square root of 7757830066 is about 88078.5448676350. The cubic root of 7757830066 is about 1979.6120440117.

The spelling of 7757830066 in words is "seven billion, seven hundred fifty-seven million, eight hundred thirty thousand, sixty-six".