75557838848 has 42 divisors (see below), whose sum is σ = 151156225881. Its totient is φ = 37766479872.

The previous prime is 75557838841. The next prime is 75557838857. The reversal of 75557838848 is 84883875557.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 64980127744 + 10577711104 = 254912^2 + 102848^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=194368.

It is a super-2 number, since 2×75557838848² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75557838841) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 24877586 + ... + 24880622.

Almost surely, 2^75557838848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75557838848

75557838848 is an abundant number, since it is smaller than the sum of its proper divisors (75598387033).

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

75557838848 is an frugal number, since it uses more digits than its factorization.

75557838848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100 (or 3039 counting only the distinct ones).

The product of its digits is 301056000, while the sum is 68.

The spelling of 75557838848 in words is "seventy-five billion, five hundred fifty-seven million, eight hundred thirty-eight thousand, eight hundred forty-eight".