75578987013 has 16 divisors (see below), whose sum is σ = 101438464320. Its totient is φ = 50053832576.

The previous prime is 75578986993. The next prime is 75578987047. The reversal of 75578987013 is 31078987557.

It is a cyclic number.

It is not a de Polignac number, because 75578987013 - 2⁶ = 75578986949 is a prime.

It is a super-2 number, since 2×75578987013² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75578987053) 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 15 ways as a sum of consecutive naturals, for example, 145081 + ... + 414977.

It is an arithmetic number, because the mean of its divisors is an integer number (6339904020).

Almost surely, 2^75578987013 is an apocalyptic number.

It is an amenable number.

75578987013 is a deficient number, since it is larger than the sum of its proper divisors (25859477307).

75578987013 is a wasteful number, since it uses less digits than its factorization.

75578987013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270516.

The product of its (nonzero) digits is 14817600, while the sum is 60.

The spelling of 75578987013 in words is "seventy-five billion, five hundred seventy-eight million, nine hundred eighty-seven thousand, thirteen".