769161822 has 64 divisors (see below), whose sum is σ = 1811206656. Its totient is φ = 214680960.

The previous prime is 769161761. The next prime is 769161829. The reversal of 769161822 is 228161967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769161829) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 628303 + ... + 629525.

It is an arithmetic number, because the mean of its divisors is an integer number (28300104).

Almost surely, 2^769161822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 769161822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (905603328).

769161822 is an abundant number, since it is smaller than the sum of its proper divisors (1042044834).

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

769161822 is a wasteful number, since it uses less digits than its factorization.

769161822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985.

The product of its digits is 72576, while the sum is 42.

The square root of 769161822 is about 27733.7668195289. The cubic root of 769161822 is about 916.2329510243.

The spelling of 769161822 in words is "seven hundred sixty-nine million, one hundred sixty-one thousand, eight hundred twenty-two".