76464969529 has 27 divisors (see below), whose sum is σ = 84091971693. Its totient is φ = 69497972544.

The previous prime is 76464969521. The next prime is 76464969533. The reversal of 76464969529 is 92596946467.

The square root of 76464969529 is 276523.

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

It can be written as a sum of positive squares in 4 ways, for example, as 33428637225 + 43036332304 = 182835^2 + 207452^2 .

It is not a de Polignac number, because 76464969529 - 2³ = 76464969521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76464969521) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 319936992 + ... + 319937230.

Almost surely, 2^76464969529 is an apocalyptic number.

76464969529 is the 276523-rd square number.

76464969529 is the 138262-nd centered octagonal number.

It is an amenable number.

76464969529 is a deficient number, since it is larger than the sum of its proper divisors (7627002164).

76464969529 is an frugal number, since it uses more digits than its factorization.

76464969529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 341 counting only the distinct ones).

The product of its digits is 176359680, while the sum is 67.

The spelling of 76464969529 in words is "seventy-six billion, four hundred sixty-four million, nine hundred sixty-nine thousand, five hundred twenty-nine".