77324213799 has 48 divisors (see below), whose sum is σ = 129152612160. Its totient is φ = 43664417280.

The previous prime is 77324213789. The next prime is 77324213801. The reversal of 77324213799 is 99731242377.

77324213799 is a `hidden beast` number, since 77 + 32 + 421 + 37 + 99 = 666.

It is not a de Polignac number, because 77324213799 - 2⁴ = 77324213783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77324213749) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15904629 + ... + 15909489.

It is an arithmetic number, because the mean of its divisors is an integer number (2690679420).

Almost surely, 2^77324213799 is an apocalyptic number.

77324213799 is a deficient number, since it is larger than the sum of its proper divisors (51828398361).

77324213799 is a wasteful number, since it uses less digits than its factorization.

77324213799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7800 (or 7797 counting only the distinct ones).

The product of its digits is 4000752, while the sum is 54.

The spelling of 77324213799 in words is "seventy-seven billion, three hundred twenty-four million, two hundred thirteen thousand, seven hundred ninety-nine".