77031041 has 2 divisors, whose sum is σ = 77031042. Its totient is φ = 77031040.

The previous prime is 77031037. The next prime is 77031067. The reversal of 77031041 is 14013077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75082225 + 1948816 = 8665^2 + 1396^2 .

It is a cyclic number.

It is not a de Polignac number, because 77031041 - 2² = 77031037 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 77030998 and 77031016.

It is not a weakly prime, because it can be changed into another prime (77031011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38515520 + 38515521.

It is an arithmetic number, because the mean of its divisors is an integer number (38515521).

Almost surely, 2^77031041 is an apocalyptic number.

It is an amenable number.

77031041 is a deficient number, since it is larger than the sum of its proper divisors (1).

77031041 is an equidigital number, since it uses as much as digits as its factorization.

77031041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 77031041 is about 8776.7329342985. The cubic root of 77031041 is about 425.4892469584.

The spelling of 77031041 in words is "seventy-seven million, thirty-one thousand, forty-one".