75897511856 has 20 divisors (see below), whose sum is σ = 147308980104. Its totient is φ = 37882291200.

The previous prime is 75897511847. The next prime is 75897511909. The reversal of 75897511856 is 65811579857.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4144625 + ... + 4162896.

Almost surely, 2^75897511856 is an apocalyptic number.

It is an amenable number.

75897511856 is a deficient number, since it is larger than the sum of its proper divisors (71411468248).

75897511856 is a wasteful number, since it uses less digits than its factorization.

75897511856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8308100 (or 8308094 counting only the distinct ones).

The product of its digits is 21168000, while the sum is 62.

The spelling of 75897511856 in words is "seventy-five billion, eight hundred ninety-seven million, five hundred eleven thousand, eight hundred fifty-six".