768739937867 has 6 divisors (see below), whose sum is σ = 844978609524. Its totient is φ = 698854488860.

The previous prime is 768739937863. The next prime is 768739937873.

768739937867 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 768739937867 - 2² = 768739937863 is a prime.

It is a super-2 number, since 2×768739937867² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 768739937791 and 768739937800.

It is not an unprimeable number, because it can be changed into a prime (768739937863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3176611193 + ... + 3176611434.

It is an arithmetic number, because the mean of its divisors is an integer number (140829768254).

Almost surely, 2^768739937867 is an apocalyptic number.

768739937867 is a deficient number, since it is larger than the sum of its proper divisors (76238671657).

768739937867 is a wasteful number, since it uses less digits than its factorization.

768739937867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6353222649 (or 6353222638 counting only the distinct ones).

The product of its digits is 4032758016, while the sum is 80.

The spelling of 768739937867 in words is "seven hundred sixty-eight billion, seven hundred thirty-nine million, nine hundred thirty-seven thousand, eight hundred sixty-seven".