77343163047 has 12 divisors (see below), whose sum is σ = 111945439944. Its totient is φ = 51457091280.

The previous prime is 77343163043. The next prime is 77343163057. The reversal of 77343163047 is 74036134377.

77343163047 is a `hidden beast` number, since 7 + 7 + 3 + 4 + 3 + 1 + 630 + 4 + 7 = 666.

It is not a de Polignac number, because 77343163047 - 2² = 77343163043 is a prime.

It is a super-2 number, since 2×77343163047² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77343162993 and 77343163011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77343163043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8746788 + ... + 8755625.

It is an arithmetic number, because the mean of its divisors is an integer number (9328786662).

Almost surely, 2^77343163047 is an apocalyptic number.

77343163047 is a deficient number, since it is larger than the sum of its proper divisors (34602276897).

77343163047 is a wasteful number, since it uses less digits than its factorization.

77343163047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17502910 (or 17502907 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 45.

The spelling of 77343163047 in words is "seventy-seven billion, three hundred forty-three million, one hundred sixty-three thousand, forty-seven".