77343400671 has 8 divisors (see below), whose sum is σ = 103226742960. Its totient is φ = 51511162752.

The previous prime is 77343400663. The next prime is 77343400763. The reversal of 77343400671 is 17600434377.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77343400671 - 2³ = 77343400663 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77343470671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12772560 + ... + 12778613.

It is an arithmetic number, because the mean of its divisors is an integer number (12903342870).

Almost surely, 2^77343400671 is an apocalyptic number.

77343400671 is a deficient number, since it is larger than the sum of its proper divisors (25883342289).

77343400671 is a wasteful number, since it uses less digits than its factorization.

77343400671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25552185.

The product of its (nonzero) digits is 296352, while the sum is 42.

The spelling of 77343400671 in words is "seventy-seven billion, three hundred forty-three million, four hundred thousand, six hundred seventy-one".