7700085377 has 2 divisors, whose sum is σ = 7700085378. Its totient is φ = 7700085376.

The previous prime is 7700085373. The next prime is 7700085389. The reversal of 7700085377 is 7735800077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6474455296 + 1225630081 = 80464^2 + 35009^2 .

It is a cyclic number.

It is not a de Polignac number, because 7700085377 - 2² = 7700085373 is a prime.

It is not a weakly prime, because it can be changed into another prime (7700085373) 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 as a sum of consecutive naturals, namely, 3850042688 + 3850042689.

It is an arithmetic number, because the mean of its divisors is an integer number (3850042689).

Almost surely, 2^7700085377 is an apocalyptic number.

It is an amenable number.

7700085377 is a deficient number, since it is larger than the sum of its proper divisors (1).

7700085377 is an equidigital number, since it uses as much as digits as its factorization.

7700085377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288120, while the sum is 44.

The square root of 7700085377 is about 87750.1303531795. The cubic root of 7700085377 is about 1974.6881205544.

The spelling of 7700085377 in words is "seven billion, seven hundred million, eighty-five thousand, three hundred seventy-seven".