77983344203 has 4 divisors (see below), whose sum is σ = 82087730760. Its totient is φ = 73878957648.

The previous prime is 77983344151. The next prime is 77983344221. The reversal of 77983344203 is 30244338977.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 77983344203 - 2²⁴ = 77966566987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77983344293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2052193250 + ... + 2052193287.

It is an arithmetic number, because the mean of its divisors is an integer number (20521932690).

Almost surely, 2^77983344203 is an apocalyptic number.

77983344203 is a deficient number, since it is larger than the sum of its proper divisors (4104386557).

77983344203 is a wasteful number, since it uses less digits than its factorization.

77983344203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104386556.

The product of its (nonzero) digits is 3048192, while the sum is 50.

The spelling of 77983344203 in words is "seventy-seven billion, nine hundred eighty-three million, three hundred forty-four thousand, two hundred three".