29117408077 has 2 divisors, whose sum is σ = 29117408078. Its totient is φ = 29117408076.

The previous prime is 29117408017. The next prime is 29117408083. The reversal of 29117408077 is 77080471192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27322106436 + 1795301641 = 165294^2 + 42371^2 .

It is a cyclic number.

It is not a de Polignac number, because 29117408077 - 2²³ = 29109019469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29117408017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14558704038 + 14558704039.

It is an arithmetic number, because the mean of its divisors is an integer number (14558704039).

Almost surely, 2^29117408077 is an apocalyptic number.

It is an amenable number.

29117408077 is a deficient number, since it is larger than the sum of its proper divisors (1).

29117408077 is an equidigital number, since it uses as much as digits as its factorization.

29117408077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 46.

The spelling of 29117408077 in words is "twenty-nine billion, one hundred seventeen million, four hundred eight thousand, seventy-seven".