76630973329 has 3 divisors (see below), whose sum is σ = 76631250153. Its totient is φ = 76630696506.

The previous prime is 76630973323. The next prime is 76630973339. The reversal of 76630973329 is 92337903667.

The square root of 76630973329 is 276823.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 92337903667 = 389 ⋅237372503.

It is not a de Polignac number, because 76630973329 - 2¹³ = 76630965137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76630973329.

It is not an unprimeable number, because it can be changed into a prime (76630973323) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 138412 + ... + 415234.

It is an arithmetic number, because the mean of its divisors is an integer number (25543750051).

Almost surely, 2^76630973329 is an apocalyptic number.

76630973329 is the 276823-rd square number.

76630973329 is the 138412-nd centered octagonal number.

It is an amenable number.

76630973329 is a deficient number, since it is larger than the sum of its proper divisors (276824).

76630973329 is an frugal number, since it uses more digits than its factorization.

76630973329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553646 (or 276823 counting only the distinct ones).

The product of its (nonzero) digits is 7715736, while the sum is 55.

The spelling of 76630973329 in words is "seventy-six billion, six hundred thirty million, nine hundred seventy-three thousand, three hundred twenty-nine".