40817677 has 2 divisors, whose sum is σ = 40817678. Its totient is φ = 40817676.

The previous prime is 40817671. The next prime is 40817683. The reversal of 40817677 is 77671804.

40817677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (40817671) and next prime (40817683).

It can be written as a sum of positive squares in only one way, i.e., 39576681 + 1240996 = 6291^2 + 1114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40817677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40817671) 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, 20408838 + 20408839.

It is an arithmetic number, because the mean of its divisors is an integer number (20408839).

Almost surely, 2^40817677 is an apocalyptic number.

It is an amenable number.

40817677 is a deficient number, since it is larger than the sum of its proper divisors (1).

40817677 is an equidigital number, since it uses as much as digits as its factorization.

40817677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 40817677 is about 6388.8713400725. The cubic root of 40817677 is about 344.3098349913.

The spelling of 40817677 in words is "forty million, eight hundred seventeen thousand, six hundred seventy-seven".