129603675077 has 4 divisors (see below), whose sum is σ = 130169630220. Its totient is φ = 129037719936.

The previous prime is 129603675037. The next prime is 129603675119. The reversal of 129603675077 is 770576306921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 770576306921 = 13441 ⋅57330281.

It can be written as a sum of positive squares in 2 ways, for example, as 105163355521 + 24440319556 = 324289^2 + 156334^2 .

It is a cyclic number.

It is not a de Polignac number, because 129603675077 - 2⁸ = 129603674821 is a prime.

It is a super-2 number, since 2×129603675077² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129603675037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282977228 + ... + 282977685.

It is an arithmetic number, because the mean of its divisors is an integer number (32542407555).

Almost surely, 2^129603675077 is an apocalyptic number.

It is an amenable number.

129603675077 is a deficient number, since it is larger than the sum of its proper divisors (565955143).

129603675077 is an equidigital number, since it uses as much as digits as its factorization.

129603675077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565955142.

The product of its (nonzero) digits is 3333960, while the sum is 53.

The spelling of 129603675077 in words is "one hundred twenty-nine billion, six hundred three million, six hundred seventy-five thousand, seventy-seven".