75077505500 has 96 divisors (see below), whose sum is σ = 173569556160. Its totient is φ = 28320902400.

The previous prime is 75077505491. The next prime is 75077505551. The reversal of 75077505500 is 550577057.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 563294 + ... + 683706.

It is an arithmetic number, because the mean of its divisors is an integer number (1808016210).

Almost surely, 2^75077505500 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 75077505500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86784778080).

75077505500 is an abundant number, since it is smaller than the sum of its proper divisors (98492050660).

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

75077505500 is a wasteful number, since it uses less digits than its factorization.

75077505500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120504 (or 120492 counting only the distinct ones).

The product of its (nonzero) digits is 214375, while the sum is 41.

The spelling of 75077505500 in words is "seventy-five billion, seventy-seven million, five hundred five thousand, five hundred".