768786323897 has 4 divisors (see below), whose sum is σ = 769202560896. Its totient is φ = 768370086900.

The previous prime is 768786323891. The next prime is 768786323911. The reversal of 768786323897 is 798323687867.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 798323687867 = 228733 ⋅3490199.

It is a cyclic number.

It is not a de Polignac number, because 768786323897 - 2¹² = 768786319801 is a prime.

It is a super-2 number, since 2×768786323897² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768786323891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208115729 + ... + 208119422.

It is an arithmetic number, because the mean of its divisors is an integer number (192300640224).

Almost surely, 2^768786323897 is an apocalyptic number.

It is an amenable number.

768786323897 is a deficient number, since it is larger than the sum of its proper divisors (416236999).

768786323897 is a wasteful number, since it uses less digits than its factorization.

768786323897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416236998.

The product of its digits is 1024192512, while the sum is 74.

The spelling of 768786323897 in words is "seven hundred sixty-eight billion, seven hundred eighty-six million, three hundred twenty-three thousand, eight hundred ninety-seven".