75776534920 has 32 divisors (see below), whose sum is σ = 179470742400. Its totient is φ = 28715318208.

The previous prime is 75776534879. The next prime is 75776534959. The reversal of 75776534920 is 2943567757.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49852224 + ... + 49853743.

It is an arithmetic number, because the mean of its divisors is an integer number (5608460700).

Almost surely, 2^75776534920 is an apocalyptic number.

It is an amenable number.

75776534920 is an abundant number, since it is smaller than the sum of its proper divisors (103694207480).

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

75776534920 is a wasteful number, since it uses less digits than its factorization.

75776534920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99705997 (or 99705993 counting only the distinct ones).

The product of its (nonzero) digits is 11113200, while the sum is 55.

The spelling of 75776534920 in words is "seventy-five billion, seven hundred seventy-six million, five hundred thirty-four thousand, nine hundred twenty".