75587250138 has 8 divisors (see below), whose sum is σ = 151174500288. Its totient is φ = 25195750044.

The previous prime is 75587250131. The next prime is 75587250139. The reversal of 75587250138 is 83105278557.

It is a sphenic number, since it is the product of 3 distinct primes.

75587250138 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75587250131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6298937506 + ... + 6298937517.

It is an arithmetic number, because the mean of its divisors is an integer number (18896812536).

Almost surely, 2^75587250138 is an apocalyptic number.

75587250138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

75587250138 is a wasteful number, since it uses less digits than its factorization.

75587250138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12597875028.

The product of its (nonzero) digits is 2352000, while the sum is 51.

The spelling of 75587250138 in words is "seventy-five billion, five hundred eighty-seven million, two hundred fifty thousand, one hundred thirty-eight".