76705575520 has 48 divisors (see below), whose sum is σ = 207105056928. Its totient is φ = 26299054080.

The previous prime is 76705575517. The next prime is 76705575533. The reversal of 76705575520 is 2557550767.

It is a congruent number.

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, 34242441 + ... + 34244680.

It is an arithmetic number, because the mean of its divisors is an integer number (4314688686).

Almost surely, 2^76705575520 is an apocalyptic number.

76705575520 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

76705575520 is an abundant number, since it is smaller than the sum of its proper divisors (130399481408).

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

76705575520 is a wasteful number, since it uses less digits than its factorization.

76705575520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68487143 (or 68487135 counting only the distinct ones).

The product of its (nonzero) digits is 2572500, while the sum is 49.

The spelling of 76705575520 in words is "seventy-six billion, seven hundred five million, five hundred seventy-five thousand, five hundred twenty".