76747703978909 has 8 divisors (see below), whose sum is σ = 76804712282112. Its totient is φ = 76690711334160.

The previous prime is 76747703978887. The next prime is 76747703978923. The reversal of 76747703978909 is 90987930774767.

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

It is a cyclic number.

It is not a de Polignac number, because 76747703978909 - 2⁸ = 76747703978653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76747703978609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5900879 + ... + 13722819.

It is an arithmetic number, because the mean of its divisors is an integer number (9600589035264).

Almost surely, 2^{76747703978909} is an apocalyptic number.

It is an amenable number.

76747703978909 is a deficient number, since it is larger than the sum of its proper divisors (57008303203).

76747703978909 is a wasteful number, since it uses less digits than its factorization.

76747703978909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7829227.

The product of its (nonzero) digits is 7057326528, while the sum is 83.

The spelling of 76747703978909 in words is "seventy-six trillion, seven hundred forty-seven billion, seven hundred three million, nine hundred seventy-eight thousand, nine hundred nine".