75585083378 has 24 divisors (see below), whose sum is σ = 131903194752. Its totient is φ = 32389938504.

The previous prime is 75585083363. The next prime is 75585083389. The reversal of 75585083378 is 87338058557.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 938075 + ... + 1015457.

It is an arithmetic number, because the mean of its divisors is an integer number (5495966448).

Almost surely, 2^75585083378 is an apocalyptic number.

75585083378 is a deficient number, since it is larger than the sum of its proper divisors (56318111374).

75585083378 is a wasteful number, since it uses less digits than its factorization.

75585083378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87366 (or 87359 counting only the distinct ones).

The product of its (nonzero) digits is 28224000, while the sum is 59.

The spelling of 75585083378 in words is "seventy-five billion, five hundred eighty-five million, eighty-three thousand, three hundred seventy-eight".