75578280008 has 32 divisors (see below), whose sum is σ = 176676500160. Its totient is φ = 29446082880.

The previous prime is 75578279993. The next prime is 75578280013. The reversal of 75578280008 is 80008287557.

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, 61345391 + ... + 61346622.

It is an arithmetic number, because the mean of its divisors is an integer number (5521140630).

Almost surely, 2^75578280008 is an apocalyptic number.

It is an amenable number.

75578280008 is an abundant number, since it is smaller than the sum of its proper divisors (101098220152).

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

75578280008 is a wasteful number, since it uses less digits than its factorization.

75578280008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122692037 (or 122692033 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 50.

The spelling of 75578280008 in words is "seventy-five billion, five hundred seventy-eight million, two hundred eighty thousand, eight".