77691822014 has 8 divisors (see below), whose sum is σ = 116550314760. Its totient is φ = 38841717096.

The previous prime is 77691821989. The next prime is 77691822029. The reversal of 77691822014 is 41022819677.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 77691822014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2073749 + ... + 2110880.

It is an arithmetic number, because the mean of its divisors is an integer number (14568789345).

Almost surely, 2^77691822014 is an apocalyptic number.

77691822014 is a deficient number, since it is larger than the sum of its proper divisors (38858492746).

77691822014 is a wasteful number, since it uses less digits than its factorization.

77691822014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4193914.

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 77691822014 in words is "seventy-seven billion, six hundred ninety-one million, eight hundred twenty-two thousand, fourteen".