77341977737388 has 72 divisors (see below), whose sum is σ = 240619486304288. Its totient is φ = 20397884237568.

The previous prime is 77341977737309. The next prime is 77341977737419. The reversal of 77341977737388 is 88373777914377.

77341977737388 is a `hidden beast` number, since 7 + 73 + 419 + 7 + 77 + 37 + 38 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11804327881 + ... + 11804334432.

Almost surely, 2^{77341977737388} is an apocalyptic number.

77341977737388 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

77341977737388 is an abundant number, since it is smaller than the sum of its proper divisors (163277508566900).

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

77341977737388 is a wasteful number, since it uses less digits than its factorization.

77341977737388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23608662343 (or 23608662338 counting only the distinct ones).

The product of its digits is 7318708992, while the sum is 81.

The spelling of 77341977737388 in words is "seventy-seven trillion, three hundred forty-one billion, nine hundred seventy-seven million, seven hundred thirty-seven thousand, three hundred eighty-eight".