77964836214 has 8 divisors (see below), whose sum is σ = 155929672440. Its totient is φ = 25988278736.

The previous prime is 77964836167. The next prime is 77964836221. The reversal of 77964836214 is 41263846977.

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

77964836214 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6497069679 + ... + 6497069690.

It is an arithmetic number, because the mean of its divisors is an integer number (19491209055).

Almost surely, 2^77964836214 is an apocalyptic number.

77964836214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

77964836214 is a wasteful number, since it uses less digits than its factorization.

77964836214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12994139374.

The product of its digits is 12192768, while the sum is 57.

The spelling of 77964836214 in words is "seventy-seven billion, nine hundred sixty-four million, eight hundred thirty-six thousand, two hundred fourteen".