76768242616 has 64 divisors (see below), whose sum is σ = 159415502400. Its totient is φ = 34427731968.

The previous prime is 76768242611. The next prime is 76768242619. The reversal of 76768242616 is 61624286767.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76768242611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2946141 + ... + 2972083.

It is an arithmetic number, because the mean of its divisors is an integer number (2490867225).

Almost surely, 2^76768242616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76768242616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79707751200).

76768242616 is an abundant number, since it is smaller than the sum of its proper divisors (82647259784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76768242616 is a wasteful number, since it uses less digits than its factorization.

76768242616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26768 (or 26764 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 55.

The spelling of 76768242616 in words is "seventy-six billion, seven hundred sixty-eight million, two hundred forty-two thousand, six hundred sixteen".