77346734047 has 24 divisors (see below), whose sum is σ = 87953968256. Its totient is φ = 67896576000.

The previous prime is 77346734039. The next prime is 77346734053. The reversal of 77346734047 is 74043764377.

It is not a de Polignac number, because 77346734047 - 2³ = 77346734039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77346733985 and 77346734003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77346734747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1691647 + ... + 1736767.

Almost surely, 2^77346734047 is an apocalyptic number.

77346734047 is a deficient number, since it is larger than the sum of its proper divisors (10607234209).

77346734047 is a wasteful number, since it uses less digits than its factorization.

77346734047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45631 (or 45620 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 52.

The spelling of 77346734047 in words is "seventy-seven billion, three hundred forty-six million, seven hundred thirty-four thousand, forty-seven".