75577533308 has 12 divisors (see below), whose sum is σ = 132365744280. Its totient is φ = 37758749232.

The previous prime is 75577533289. The next prime is 75577533313. The reversal of 75577533308 is 80333577557.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 75577533308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7498691 + ... + 7508762.

It is an arithmetic number, because the mean of its divisors is an integer number (11030478690).

Almost surely, 2^75577533308 is an apocalyptic number.

It is an amenable number.

75577533308 is a deficient number, since it is larger than the sum of its proper divisors (56788210972).

75577533308 is a wasteful number, since it uses less digits than its factorization.

75577533308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15008716 (or 15008714 counting only the distinct ones).

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

The spelling of 75577533308 in words is "seventy-five billion, five hundred seventy-seven million, five hundred thirty-three thousand, three hundred eight".