75478513386 has 16 divisors (see below), whose sum is σ = 151104891168. Its totient is φ = 25134860400.

The previous prime is 75478513373. The next prime is 75478513387. The reversal of 75478513386 is 68331587457.

It is not an unprimeable number, because it can be changed into a prime (75478513387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6154380 + ... + 6166631.

It is an arithmetic number, because the mean of its divisors is an integer number (9444055698).

Almost surely, 2^75478513386 is an apocalyptic number.

75478513386 is an abundant number, since it is smaller than the sum of its proper divisors (75626377782).

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

75478513386 is a wasteful number, since it uses less digits than its factorization.

75478513386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12322037.

The product of its digits is 16934400, while the sum is 57.

The spelling of 75478513386 in words is "seventy-five billion, four hundred seventy-eight million, five hundred thirteen thousand, three hundred eighty-six".