77750853353 has 16 divisors (see below), whose sum is σ = 82484289360. Its totient is φ = 73035350016.

The previous prime is 77750853331. The next prime is 77750853377. The reversal of 77750853353 is 35335805777.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 34790829529 + 42960023824 = 186523^2 + 207268^2 .

It is a cyclic number.

It is not a de Polignac number, because 77750853353 - 2⁶ = 77750853289 is a prime.

It is a super-2 number, since 2×77750853353² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77750853295 and 77750853304.

It is not an unprimeable number, because it can be changed into a prime (77750853853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29799713 + ... + 29802321.

It is an arithmetic number, because the mean of its divisors is an integer number (5155268085).

Almost surely, 2^77750853353 is an apocalyptic number.

It is an amenable number.

77750853353 is a deficient number, since it is larger than the sum of its proper divisors (4733436007).

77750853353 is a wasteful number, since it uses less digits than its factorization.

77750853353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356.

The product of its (nonzero) digits is 9261000, while the sum is 53.

The spelling of 77750853353 in words is "seventy-seven billion, seven hundred fifty million, eight hundred fifty-three thousand, three hundred fifty-three".