769047144 has 32 divisors (see below), whose sum is σ = 1923315840. Its totient is φ = 256256000.

The previous prime is 769047133. The next prime is 769047157. The reversal of 769047144 is 441740967.

It is a junction number, because it is equal to n+sod(n) for n = 769047096 and 769047105.

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, 103969 + ... + 111119.

It is an arithmetic number, because the mean of its divisors is an integer number (60103620).

Almost surely, 2^769047144 is an apocalyptic number.

It is an amenable number.

769047144 is an abundant number, since it is smaller than the sum of its proper divisors (1154268696).

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

769047144 is a wasteful number, since it uses less digits than its factorization.

769047144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11641 (or 11637 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 769047144 is about 27731.6992627571. The cubic root of 769047144 is about 916.1874135827.

It can be divided in two parts, 76904 and 7144, that added together give a palindrome (84048).

The spelling of 769047144 in words is "seven hundred sixty-nine million, forty-seven thousand, one hundred forty-four".