77004041 has 2 divisors, whose sum is σ = 77004042. Its totient is φ = 77004040.

The previous prime is 77004029. The next prime is 77004047. The reversal of 77004041 is 14040077.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67980025 + 9024016 = 8245^2 + 3004^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77004041 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 77003998 and 77004016.

It is not a weakly prime, because it can be changed into another prime (77004047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38502020 + 38502021.

It is an arithmetic number, because the mean of its divisors is an integer number (38502021).

Almost surely, 2^77004041 is an apocalyptic number.

It is an amenable number.

77004041 is a deficient number, since it is larger than the sum of its proper divisors (1).

77004041 is an equidigital number, since it uses as much as digits as its factorization.

77004041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 77004041 is about 8775.1946417159. The cubic root of 77004041 is about 425.4395286803.

The spelling of 77004041 in words is "seventy-seven million, four thousand, forty-one".