75811109608 has 64 divisors (see below), whose sum is σ = 154211904000. Its totient is φ = 34731770112.

The previous prime is 75811109587. The next prime is 75811109609. The reversal of 75811109608 is 80690111857.

It is not an unprimeable number, because it can be changed into a prime (75811109609) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11296558 + ... + 11303266.

It is an arithmetic number, because the mean of its divisors is an integer number (2409561000).

Almost surely, 2^75811109608 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 75811109608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77105952000).

75811109608 is an abundant number, since it is smaller than the sum of its proper divisors (78400794392).

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

75811109608 is a wasteful number, since it uses less digits than its factorization.

75811109608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7514 (or 7510 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 46.

The spelling of 75811109608 in words is "seventy-five billion, eight hundred eleven million, one hundred nine thousand, six hundred eight".