76646085300625 has 15 divisors (see below), whose sum is σ = 95777221691613. Its totient is φ = 61316693145000.

The previous prime is 76646085300593. The next prime is 76646085300637. The reversal of 76646085300625 is 52600358064667.

The square root of 76646085300625 is 8754775.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6009053087569 + 70637032213056 = 2451337^2 + 8404584^2 .

It is not a de Polignac number, because 76646085300625 - 2⁵ = 76646085300593 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

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 76646085300625.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 218694280 + ... + 219044470.

Almost surely, 2^{76646085300625} is an apocalyptic number.

76646085300625 is the 8754775-th square number.

76646085300625 is the 4377388-th centered octagonal number.

It is an amenable number.

76646085300625 is a deficient number, since it is larger than the sum of its proper divisors (19131136390988).

76646085300625 is an frugal number, since it uses more digits than its factorization.

76646085300625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700402 (or 350196 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 58.

The spelling of 76646085300625 in words is "seventy-six trillion, six hundred forty-six billion, eighty-five million, three hundred thousand, six hundred twenty-five".