76645719869644 has 48 divisors (see below), whose sum is σ = 141668060970240. Its totient is φ = 36209882371520.

The previous prime is 76645719869581. The next prime is 76645719869687. The reversal of 76645719869644 is 44696891754667.

76645719869644 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53578359 + ... + 54990289.

It is an arithmetic number, because the mean of its divisors is an integer number (2951417936880).

Almost surely, 2^{76645719869644} is an apocalyptic number.

It is an amenable number.

76645719869644 is a deficient number, since it is larger than the sum of its proper divisors (65022341100596).

76645719869644 is a wasteful number, since it uses less digits than its factorization.

76645719869644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419150 (or 1419148 counting only the distinct ones).

The product of its digits is 13168189440, while the sum is 82.

The spelling of 76645719869644 in words is "seventy-six trillion, six hundred forty-five billion, seven hundred nineteen million, eight hundred sixty-nine thousand, six hundred forty-four".