75437878130 has 16 divisors (see below), whose sum is σ = 135810204120. Its totient is φ = 30170257152.

The previous prime is 75437878099. The next prime is 75437878133. The reversal of 75437878130 is 3187873457.

It can be written as a sum of positive squares in 4 ways, for example, as 61583881921 + 13853996209 = 248161^2 + 117703^2 .

It is not an unprimeable number, because it can be changed into a prime (75437878133) by changing a digit.

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, 546695 + ... + 670634.

Almost surely, 2^75437878130 is an apocalyptic number.

75437878130 is a deficient number, since it is larger than the sum of its proper divisors (60372325990).

75437878130 is a wasteful number, since it uses less digits than its factorization.

75437878130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223533.

The product of its (nonzero) digits is 3951360, while the sum is 53.

The spelling of 75437878130 in words is "seventy-five billion, four hundred thirty-seven million, eight hundred seventy-eight thousand, one hundred thirty".