76143329321 has 4 divisors (see below), whose sum is σ = 76144698000. Its totient is φ = 76141960644.

The previous prime is 76143329287. The next prime is 76143329329. The reversal of 76143329321 is 12392334167.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 76143329321 - 2¹⁰ = 76143328297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76143329329) 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, 597191 + ... + 713388.

It is an arithmetic number, because the mean of its divisors is an integer number (19036174500).

Almost surely, 2^76143329321 is an apocalyptic number.

It is an amenable number.

76143329321 is a deficient number, since it is larger than the sum of its proper divisors (1368679).

76143329321 is a wasteful number, since it uses less digits than its factorization.

76143329321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368678.

The product of its digits is 163296, while the sum is 41.

The spelling of 76143329321 in words is "seventy-six billion, one hundred forty-three million, three hundred twenty-nine thousand, three hundred twenty-one".