76805662765456 has 15 divisors (see below), whose sum is σ = 148811039528203. Its totient is φ = 38402813854960.

The previous prime is 76805662765427. The next prime is 76805662765457. The reversal of 76805662765456 is 65456726650867.

The square root of 76805662765456 is 8763884.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76805662765457) 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, 33960051 + ... + 36151021.

Almost surely, 2^{76805662765456} is an apocalyptic number.

76805662765456 is the 8763884-th square number.

It is an amenable number.

76805662765456 is a deficient number, since it is larger than the sum of its proper divisors (72005376762747).

76805662765456 is an frugal number, since it uses more digits than its factorization.

76805662765456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4381950 (or 2190973 counting only the distinct ones).

The product of its (nonzero) digits is 3048192000, while the sum is 73.

The spelling of 76805662765456 in words is "seventy-six trillion, eight hundred five billion, six hundred sixty-two million, seven hundred sixty-five thousand, four hundred fifty-six".