40777433667097 has 2 divisors, whose sum is σ = 40777433667098. Its totient is φ = 40777433667096.

The previous prime is 40777433667037. The next prime is 40777433667107. The reversal of 40777433667097 is 79076633477704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20789550917136 + 19987882749961 = 4559556^2 + 4470781^2 .

It is a cyclic number.

It is not a de Polignac number, because 40777433667097 - 2³⁵ = 40743073928729 is a prime.

It is not a weakly prime, because it can be changed into another prime (40777433667037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20388716833548 + 20388716833549.

It is an arithmetic number, because the mean of its divisors is an integer number (20388716833549).

Almost surely, 2^{40777433667097} is an apocalyptic number.

It is an amenable number.

40777433667097 is a deficient number, since it is larger than the sum of its proper divisors (1).

40777433667097 is an equidigital number, since it uses as much as digits as its factorization.

40777433667097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784147392, while the sum is 70.

The spelling of 40777433667097 in words is "forty trillion, seven hundred seventy-seven billion, four hundred thirty-three million, six hundred sixty-seven thousand, ninety-seven".