76216301329 has 9 divisors (see below), whose sum is σ = 88662027177. Its totient is φ = 65326601844.

The previous prime is 76216301327. The next prime is 76216301363. The reversal of 76216301329 is 92310361267.

It is a happy number.

The square root of 76216301329 is 276073.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 76216301329 - 2¹ = 76216301327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76216301291 and 76216301300.

It is not an unprimeable number, because it can be changed into a prime (76216301321) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1912792 + ... + 1952230.

It is an arithmetic number, because the mean of its divisors is an integer number (9851336353).

Almost surely, 2^76216301329 is an apocalyptic number.

76216301329 is the 276073-rd square number.

76216301329 is the 138037-th centered octagonal number.

It is an amenable number.

76216301329 is a deficient number, since it is larger than the sum of its proper divisors (12445725848).

76216301329 is an frugal number, since it uses more digits than its factorization.

76216301329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78892 (or 39446 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 76216301329 in words is "seventy-six billion, two hundred sixteen million, three hundred one thousand, three hundred twenty-nine".