77343845276 has 6 divisors (see below), whose sum is σ = 135351729240. Its totient is φ = 38671922636.

The previous prime is 77343845273. The next prime is 77343845279. The reversal of 77343845276 is 67254834377.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (77343845273) and next prime (77343845279).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77343845273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9667980656 + ... + 9667980663.

It is an arithmetic number, because the mean of its divisors is an integer number (22558621540).

Almost surely, 2^77343845276 is an apocalyptic number.

It is an amenable number.

77343845276 is a deficient number, since it is larger than the sum of its proper divisors (58007883964).

77343845276 is a wasteful number, since it uses less digits than its factorization.

77343845276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19335961323 (or 19335961321 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 56.

The spelling of 77343845276 in words is "seventy-seven billion, three hundred forty-three million, eight hundred forty-five thousand, two hundred seventy-six".