77968950383699 has 8 divisors (see below), whose sum is σ = 78149236495392. Its totient is φ = 77788869495040.

The previous prime is 77968950383689. The next prime is 77968950383741. The reversal of 77968950383699 is 99638305986977.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77968950383699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77968950383689) 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, 50545022 + ... + 52064739.

It is an arithmetic number, because the mean of its divisors is an integer number (9768654561924).

Almost surely, 2^{77968950383699} is an apocalyptic number.

77968950383699 is a deficient number, since it is larger than the sum of its proper divisors (180286111693).

77968950383699 is a wasteful number, since it uses less digits than its factorization.

77968950383699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102611517.

The product of its (nonzero) digits is 33331979520, while the sum is 89.

The spelling of 77968950383699 in words is "seventy-seven trillion, nine hundred sixty-eight billion, nine hundred fifty million, three hundred eighty-three thousand, six hundred ninety-nine".