77043041 has 2 divisors, whose sum is σ = 77043042. Its totient is φ = 77043040.

The previous prime is 77043037. The next prime is 77043067. The reversal of 77043041 is 14034077.

It is an a-pointer prime, because the next prime (77043067) can be obtained adding 77043041 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59737441 + 17305600 = 7729^2 + 4160^2 .

It is a cyclic number.

It is not a de Polignac number, because 77043041 - 2² = 77043037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77043041.

It is not a weakly prime, because it can be changed into another prime (77043341) 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 as a sum of consecutive naturals, namely, 38521520 + 38521521.

It is an arithmetic number, because the mean of its divisors is an integer number (38521521).

Almost surely, 2^77043041 is an apocalyptic number.

It is an amenable number.

77043041 is a deficient number, since it is larger than the sum of its proper divisors (1).

77043041 is an equidigital number, since it uses as much as digits as its factorization.

77043041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 77043041 is about 8777.4165333542. The cubic root of 77043041 is about 425.5113402418.

The spelling of 77043041 in words is "seventy-seven million, forty-three thousand, forty-one".