78647234373 has 24 divisors (see below), whose sum is σ = 118413278048. Its totient is φ = 50252998752.

The previous prime is 78647234353. The next prime is 78647234437. The reversal of 78647234373 is 37343274687.

It is a happy number.

78647234373 is a `hidden beast` number, since 78 + 6 + 472 + 34 + 3 + 73 = 666.

It is not a de Polignac number, because 78647234373 - 2¹⁶ = 78647168837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78647234353) 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, 1740211 + ... + 1784832.

Almost surely, 2^78647234373 is an apocalyptic number.

It is an amenable number.

78647234373 is a deficient number, since it is larger than the sum of its proper divisors (39766043675).

78647234373 is a wasteful number, since it uses less digits than its factorization.

78647234373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525153 (or 3525150 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 54.

The spelling of 78647234373 in words is "seventy-eight billion, six hundred forty-seven million, two hundred thirty-four thousand, three hundred seventy-three".