7700385388927 has 24 divisors (see below), whose sum is σ = 9772319053440. Its totient is φ = 6000053819760.

The previous prime is 7700385388901. The next prime is 7700385388931. The reversal of 7700385388927 is 7298835830077.

It is a de Polignac number, because none of the positive numbers 2^k-7700385388927 is a prime.

It is a super-2 number, since 2×7700385388927² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7700385388027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13435224 + ... + 13996642.

It is an arithmetic number, because the mean of its divisors is an integer number (407179960560).

Almost surely, 2^{7700385388927} is an apocalyptic number.

7700385388927 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

7700385388927 is a deficient number, since it is larger than the sum of its proper divisors (2071933664513).

7700385388927 is a wasteful number, since it uses less digits than its factorization.

7700385388927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586891 (or 586884 counting only the distinct ones).

The product of its (nonzero) digits is 142248960, while the sum is 67.

The spelling of 7700385388927 in words is "seven trillion, seven hundred billion, three hundred eighty-five million, three hundred eighty-eight thousand, nine hundred twenty-seven".