75983187393 has 12 divisors (see below), whose sum is σ = 112430407908. Its totient is φ = 49419959040.

The previous prime is 75983187349. The next prime is 75983187407. The reversal of 75983187393 is 39378138957.

75983187393 is a `hidden beast` number, since 7 + 598 + 3 + 1 + 8 + 7 + 39 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8628923664 + 67354263729 = 92892^2 + 259527^2 .

It is not a de Polignac number, because 75983187393 - 2¹⁰ = 75983186369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75983187393.

It is not an unprimeable number, because it can be changed into a prime (75983187193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102957880 + ... + 102958617.

It is an arithmetic number, because the mean of its divisors is an integer number (9369200659).

Almost surely, 2^75983187393 is an apocalyptic number.

It is an amenable number.

75983187393 is a deficient number, since it is larger than the sum of its proper divisors (36447220515).

75983187393 is a wasteful number, since it uses less digits than its factorization.

75983187393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205916544 (or 205916541 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 63.

The spelling of 75983187393 in words is "seventy-five billion, nine hundred eighty-three million, one hundred eighty-seven thousand, three hundred ninety-three".