769340890 has 16 divisors (see below), whose sum is σ = 1385689032. Its totient is φ = 307541824.

The previous prime is 769340867. The next prime is 769340893. The reversal of 769340890 is 98043967.

It can be written as a sum of positive squares in 4 ways, for example, as 385690321 + 383650569 = 19639^2 + 19587^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 769340890.

It is not an unprimeable number, because it can be changed into a prime (769340893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7129 + ... + 39868.

Almost surely, 2^769340890 is an apocalyptic number.

769340890 is a deficient number, since it is larger than the sum of its proper divisors (616348142).

769340890 is a wasteful number, since it uses less digits than its factorization.

769340890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48641.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 769340890 is about 27736.9949706164. The cubic root of 769340890 is about 916.3040480145.

The spelling of 769340890 in words is "seven hundred sixty-nine million, three hundred forty thousand, eight hundred ninety".