769555223144 has 32 divisors (see below), whose sum is σ = 1451888064000. Its totient is φ = 382385463552.

The previous prime is 769555223141. The next prime is 769555223179. The reversal of 769555223144 is 441322555967.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (769555223141) by changing a digit.

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, 29677817 + ... + 29703735.

It is an arithmetic number, because the mean of its divisors is an integer number (45371502000).

Almost surely, 2^769555223144 is an apocalyptic number.

It is an amenable number.

769555223144 is a deficient number, since it is larger than the sum of its proper divisors (682332840856).

769555223144 is a wasteful number, since it uses less digits than its factorization.

769555223144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48857 (or 48853 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 53.

The spelling of 769555223144 in words is "seven hundred sixty-nine billion, five hundred fifty-five million, two hundred twenty-three thousand, one hundred forty-four".