75422355788 has 96 divisors (see below), whose sum is σ = 153930139776. Its totient is φ = 32024788992.

The previous prime is 75422355779. The next prime is 75422355793. The reversal of 75422355788 is 88755322457.

It is a super-2 number, since 2×75422355788² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 7286945 + ... + 7297287.

It is an arithmetic number, because the mean of its divisors is an integer number (1603438956).

Almost surely, 2^75422355788 is an apocalyptic number.

It is an amenable number.

75422355788 is an abundant number, since it is smaller than the sum of its proper divisors (78507783988).

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

75422355788 is a wasteful number, since it uses less digits than its factorization.

75422355788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10563 (or 10561 counting only the distinct ones).

The product of its digits is 18816000, while the sum is 56.

The spelling of 75422355788 in words is "seventy-five billion, four hundred twenty-two million, three hundred fifty-five thousand, seven hundred eighty-eight".