29676880477 has 2 divisors, whose sum is σ = 29676880478. Its totient is φ = 29676880476.

The previous prime is 29676880423. The next prime is 29676880481. The reversal of 29676880477 is 77408867692.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28324553401 + 1352327076 = 168299^2 + 36774^2 .

It is a cyclic number.

It is not a de Polignac number, because 29676880477 - 2²⁷ = 29542662749 is a prime.

It is a super-2 number, since 2×29676880477² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29676880417) 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, 14838440238 + 14838440239.

It is an arithmetic number, because the mean of its divisors is an integer number (14838440239).

Almost surely, 2^29676880477 is an apocalyptic number.

It is an amenable number.

29676880477 is a deficient number, since it is larger than the sum of its proper divisors (1).

29676880477 is an equidigital number, since it uses as much as digits as its factorization.

29676880477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56899584, while the sum is 64.

The spelling of 29676880477 in words is "twenty-nine billion, six hundred seventy-six million, eight hundred eighty thousand, four hundred seventy-seven".