77254341716 has 24 divisors (see below), whose sum is σ = 136214326920. Its totient is φ = 38337028992.

The previous prime is 77254341673. The next prime is 77254341721. The reversal of 77254341716 is 61714345277.

It can be written as a sum of positive squares in 4 ways, for example, as 17850028816 + 59404312900 = 133604^2 + 243730^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157346 + ... + 423398.

It is an arithmetic number, because the mean of its divisors is an integer number (5675596955).

Almost surely, 2^77254341716 is an apocalyptic number.

It is an amenable number.

77254341716 is a deficient number, since it is larger than the sum of its proper divisors (58959985204).

77254341716 is a wasteful number, since it uses less digits than its factorization.

77254341716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266603 (or 266601 counting only the distinct ones).

The product of its digits is 987840, while the sum is 47.

The spelling of 77254341716 in words is "seventy-seven billion, two hundred fifty-four million, three hundred forty-one thousand, seven hundred sixteen".