75747557376 has 160 divisors (see below), whose sum is σ = 224478936000. Its totient is φ = 25244467200.

The previous prime is 75747557329. The next prime is 75747557411. The reversal of 75747557376 is 67375574757.

75747557376 is a `hidden beast` number, since 7 + 5 + 7 + 4 + 7 + 557 + 3 + 76 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14153101 + ... + 14158451.

It is an arithmetic number, because the mean of its divisors is an integer number (1402993350).

Almost surely, 2^75747557376 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 75747557376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112239468000).

75747557376 is an abundant number, since it is smaller than the sum of its proper divisors (148731378624).

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

75747557376 is an frugal number, since it uses more digits than its factorization.

75747557376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5398 (or 5356 counting only the distinct ones).

The product of its digits is 151263000, while the sum is 63.

The spelling of 75747557376 in words is "seventy-five billion, seven hundred forty-seven million, five hundred fifty-seven thousand, three hundred seventy-six".