75378788334 has 12 divisors (see below), whose sum is σ = 163320708096. Its totient is φ = 25126262772.

The previous prime is 75378788333. The next prime is 75378788363. The reversal of 75378788334 is 43388787357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75378788333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2093855214 + ... + 2093855249.

It is an arithmetic number, because the mean of its divisors is an integer number (13610059008).

Almost surely, 2^75378788334 is an apocalyptic number.

75378788334 is an abundant number, since it is smaller than the sum of its proper divisors (87941919762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75378788334 is a wasteful number, since it uses less digits than its factorization.

75378788334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187710471 (or 4187710468 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 63.

The spelling of 75378788334 in words is "seventy-five billion, three hundred seventy-eight million, seven hundred eighty-eight thousand, three hundred thirty-four".