77968950383698 has 32 divisors (see below), whose sum is σ = 129997059848640. Its totient is φ = 34772875488000.

The previous prime is 77968950383689. The next prime is 77968950383741. The reversal of 77968950383698 is 89638305986977.

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, 56971083 + ... + 58323598.

It is an arithmetic number, because the mean of its divisors is an integer number (4062408120270).

Almost surely, 2^{77968950383698} is an apocalyptic number.

77968950383698 is a deficient number, since it is larger than the sum of its proper divisors (52028109464942).

77968950383698 is a wasteful number, since it uses less digits than its factorization.

77968950383698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115295274.

The product of its (nonzero) digits is 29628426240, while the sum is 88.

The spelling of 77968950383698 in words is "seventy-seven trillion, nine hundred sixty-eight billion, nine hundred fifty million, three hundred eighty-three thousand, six hundred ninety-eight".