77100050129 has 4 divisors (see below), whose sum is σ = 78185966400. Its totient is φ = 76014133860.

The previous prime is 77100050099. The next prime is 77100050141. The reversal of 77100050129 is 92105000177.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 77100050129 - 2¹⁶ = 77099984593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77100050095 and 77100050104.

It is not an unprimeable number, because it can be changed into a prime (77100050029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542958029 + ... + 542958170.

It is an arithmetic number, because the mean of its divisors is an integer number (19546491600).

Almost surely, 2^77100050129 is an apocalyptic number.

It is an amenable number.

77100050129 is a deficient number, since it is larger than the sum of its proper divisors (1085916271).

77100050129 is a wasteful number, since it uses less digits than its factorization.

77100050129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085916270.

The product of its (nonzero) digits is 4410, while the sum is 32.

The spelling of 77100050129 in words is "seventy-seven billion, one hundred million, fifty thousand, one hundred twenty-nine".