77505050108275 has 24 divisors (see below), whose sum is σ = 98156777724864. Its totient is φ = 60681280070400.

The previous prime is 77505050108273. The next prime is 77505050108327. The reversal of 77505050108275 is 57280105050577.

It is not a de Polignac number, because 77505050108275 - 2¹ = 77505050108273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77505050108273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18412095 + ... + 22226455.

It is an arithmetic number, because the mean of its divisors is an integer number (4089865738536).

Almost surely, 2^{77505050108275} is an apocalyptic number.

77505050108275 is a deficient number, since it is larger than the sum of its proper divisors (20651727616589).

77505050108275 is a wasteful number, since it uses less digits than its factorization.

77505050108275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831711 (or 3831706 counting only the distinct ones).

The product of its (nonzero) digits is 3430000, while the sum is 52.

The spelling of 77505050108275 in words is "seventy-seven trillion, five hundred five billion, fifty million, one hundred eight thousand, two hundred seventy-five".