76616266445 has 8 divisors (see below), whose sum is σ = 91941006840. Its totient is φ = 61292021760.

The previous prime is 76616266399. The next prime is 76616266453. The reversal of 76616266445 is 54466261667.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29344375204 + 47271891241 = 171302^2 + 217421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 76616266445 - 2¹⁰ = 76616265421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525521 + ... + 655289.

It is an arithmetic number, because the mean of its divisors is an integer number (11492625855).

Almost surely, 2^76616266445 is an apocalyptic number.

It is an amenable number.

76616266445 is a deficient number, since it is larger than the sum of its proper divisors (15324740395).

76616266445 is a wasteful number, since it uses less digits than its factorization.

76616266445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247855.

The product of its digits is 8709120, while the sum is 53.

The spelling of 76616266445 in words is "seventy-six billion, six hundred sixteen million, two hundred sixty-six thousand, four hundred forty-five".