75870005140 has 24 divisors (see below), whose sum is σ = 159399099720. Its totient is φ = 30334270848.

The previous prime is 75870005111. The next prime is 75870005203. The reversal of 75870005140 is 4150007857.

It can be written as a sum of positive squares in 4 ways, for example, as 39787483024 + 36082522116 = 199468^2 + 189954^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 75870005140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812835 + ... + 901354.

It is an arithmetic number, because the mean of its divisors is an integer number (6641629155).

Almost surely, 2^75870005140 is an apocalyptic number.

It is an amenable number.

75870005140 is an abundant number, since it is smaller than the sum of its proper divisors (83529094580).

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

75870005140 is a wasteful number, since it uses less digits than its factorization.

75870005140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716411 (or 1716409 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 37.

The spelling of 75870005140 in words is "seventy-five billion, eight hundred seventy million, five thousand, one hundred forty".