769140836868 has 24 divisors (see below), whose sum is σ = 1794786890400. Its totient is φ = 256362430720.

The previous prime is 769140836857. The next prime is 769140836951. The reversal of 769140836868 is 868638041967.

It is a junction number, because it is equal to n+sod(n) for n = 769140836799 and 769140836808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2050893 + ... + 2396756.

It is an arithmetic number, because the mean of its divisors is an integer number (74782787100).

Almost surely, 2^769140836868 is an apocalyptic number.

It is an amenable number.

769140836868 is an abundant number, since it is smaller than the sum of its proper divisors (1025646053532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

769140836868 is a wasteful number, since it uses less digits than its factorization.

769140836868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4462067 (or 4462065 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 66.

The spelling of 769140836868 in words is "seven hundred sixty-nine billion, one hundred forty million, eight hundred thirty-six thousand, eight hundred sixty-eight".