77009041 has 2 divisors, whose sum is σ = 77009042. Its totient is φ = 77009040.

The previous prime is 77009017. The next prime is 77009081. The reversal of 77009041 is 14090077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76737600 + 271441 = 8760^2 + 521^2 .

It is a cyclic number.

It is not a de Polignac number, because 77009041 - 2⁷ = 77008913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (77009081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38504520 + 38504521.

It is an arithmetic number, because the mean of its divisors is an integer number (38504521).

Almost surely, 2^77009041 is an apocalyptic number.

It is an amenable number.

77009041 is a deficient number, since it is larger than the sum of its proper divisors (1).

77009041 is an equidigital number, since it uses as much as digits as its factorization.

77009041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 77009041 is about 8775.4795310570. The cubic root of 77009041 is about 425.4487366455.

The spelling of 77009041 in words is "seventy-seven million, nine thousand, forty-one".