7730766401 has 16 divisors (see below), whose sum is σ = 8022110400. Its totient is φ = 7445201088.

The previous prime is 7730766389. The next prime is 7730766409. The reversal of 7730766401 is 1046670377.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7730766401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7730766409) 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 15 ways as a sum of consecutive naturals, for example, 2740970 + ... + 2743788.

It is an arithmetic number, because the mean of its divisors is an integer number (501381900).

Almost surely, 2^7730766401 is an apocalyptic number.

It is an amenable number.

7730766401 is a deficient number, since it is larger than the sum of its proper divisors (291343999).

7730766401 is a wasteful number, since it uses less digits than its factorization.

7730766401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 7730766401 is about 87924.7769459781. The cubic root of 7730766401 is about 1977.3073626641.

The spelling of 7730766401 in words is "seven billion, seven hundred thirty million, seven hundred sixty-six thousand, four hundred one".