75447577108 has 12 divisors (see below), whose sum is σ = 132242508832. Its totient is φ = 37664003160.

The previous prime is 75447577061. The next prime is 75447577111. The reversal of 75447577108 is 80177574457.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14943510 + ... + 14948557.

Almost surely, 2^75447577108 is an apocalyptic number.

It is an amenable number.

75447577108 is a deficient number, since it is larger than the sum of its proper divisors (56794931724).

75447577108 is a wasteful number, since it uses less digits than its factorization.

75447577108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29892702 (or 29892700 counting only the distinct ones).

The product of its (nonzero) digits is 7683200, while the sum is 55.

The spelling of 75447577108 in words is "seventy-five billion, four hundred forty-seven million, five hundred seventy-seven thousand, one hundred eight".