76821832301 has 4 divisors (see below), whose sum is σ = 77582444604. Its totient is φ = 76061220000.

The previous prime is 76821832267. The next prime is 76821832397. The reversal of 76821832301 is 10323812867.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64046955625 + 12774876676 = 253075^2 + 113026^2 .

It is a cyclic number.

It is not a de Polignac number, because 76821832301 - 2¹⁰ = 76821831277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76821832001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380306000 + ... + 380306201.

It is an arithmetic number, because the mean of its divisors is an integer number (19395611151).

Almost surely, 2^76821832301 is an apocalyptic number.

It is an amenable number.

76821832301 is a deficient number, since it is larger than the sum of its proper divisors (760612303).

76821832301 is a wasteful number, since it uses less digits than its factorization.

76821832301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760612302.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 76821832301 in words is "seventy-six billion, eight hundred twenty-one million, eight hundred thirty-two thousand, three hundred one".