769719144 has 32 divisors (see below), whose sum is σ = 1927156320. Its totient is φ = 256191936.

The previous prime is 769719107. The next prime is 769719157. The reversal of 769719144 is 441917967.

It is a junction number, because it is equal to n+sod(n) for n = 769719093 and 769719102.

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, 7087 + ... + 39870.

It is an arithmetic number, because the mean of its divisors is an integer number (60223635).

Almost surely, 2^769719144 is an apocalyptic number.

It is an amenable number.

769719144 is an abundant number, since it is smaller than the sum of its proper divisors (1157437176).

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

769719144 is a wasteful number, since it uses less digits than its factorization.

769719144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47649 (or 47645 counting only the distinct ones).

The product of its digits is 381024, while the sum is 48.

The square root of 769719144 is about 27743.8127156308. The cubic root of 769719144 is about 916.4541933701.

The spelling of 769719144 in words is "seven hundred sixty-nine million, seven hundred nineteen thousand, one hundred forty-four".