75780180122 has 8 divisors (see below), whose sum is σ = 114947464500. Its totient is φ = 37464358624.

The previous prime is 75780180061. The next prime is 75780180167. The reversal of 75780180122 is 22108108757.

It can be written as a sum of positive squares in 2 ways, for example, as 62849988601 + 12930191521 = 250699^2 + 113711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 75780180122.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 212865497 + ... + 212865852.

Almost surely, 2^75780180122 is an apocalyptic number.

75780180122 is a deficient number, since it is larger than the sum of its proper divisors (39167284378).

75780180122 is a wasteful number, since it uses less digits than its factorization.

75780180122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425731440.

The product of its (nonzero) digits is 62720, while the sum is 41.

Adding to 75780180122 its reverse (22108108757), we get a palindrome (97888288879).

The spelling of 75780180122 in words is "seventy-five billion, seven hundred eighty million, one hundred eighty thousand, one hundred twenty-two".