769451338 has 16 divisors (see below), whose sum is σ = 1215622080. Its totient is φ = 364556896.

The previous prime is 769451329. The next prime is 769451339. The reversal of 769451338 is 833154967.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (769451339) 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, 73243 + ... + 83086.

It is an arithmetic number, because the mean of its divisors is an integer number (75976380).

Almost surely, 2^769451338 is an apocalyptic number.

769451338 is a deficient number, since it is larger than the sum of its proper divisors (446170742).

769451338 is a wasteful number, since it uses less digits than its factorization.

769451338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156461.

The product of its digits is 544320, while the sum is 46.

The square root of 769451338 is about 27738.9858862937. The cubic root of 769451338 is about 916.3478946838.

The spelling of 769451338 in words is "seven hundred sixty-nine million, four hundred fifty-one thousand, three hundred thirty-eight".