76599972289 has 3 divisors (see below), whose sum is σ = 76600249057. Its totient is φ = 76599695522.

The previous prime is 76599972269. The next prime is 76599972301. The reversal of 76599972289 is 98227999567.

The square root of 76599972289 is 276767.

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: 98227999567 = 7001 ⋅14030567.

It is not a de Polignac number, because 76599972289 - 2¹¹ = 76599970241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76599972259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 138384 + ... + 415150.

Almost surely, 2^76599972289 is an apocalyptic number.

76599972289 is the 276767-th square number.

76599972289 is the 138384-th centered octagonal number.

It is an amenable number.

76599972289 is a deficient number, since it is larger than the sum of its proper divisors (276768).

76599972289 is an frugal number, since it uses more digits than its factorization.

76599972289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553534 (or 276767 counting only the distinct ones).

The product of its digits is 308629440, while the sum is 73.

The spelling of 76599972289 in words is "seventy-six billion, five hundred ninety-nine million, nine hundred seventy-two thousand, two hundred eighty-nine".