769322881 has 2 divisors, whose sum is σ = 769322882. Its totient is φ = 769322880.

The previous prime is 769322821. The next prime is 769322941. The reversal of 769322881 is 188223967.

It is a balanced prime because it is at equal distance from previous prime (769322821) and next prime (769322941).

It can be written as a sum of positive squares in only one way, i.e., 526243600 + 243079281 = 22940^2 + 15591^2 .

It is a cyclic number.

It is not a de Polignac number, because 769322881 - 2¹¹ = 769320833 is a prime.

It is a super-2 number, since 2×769322881² = 1183715390460280322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (769322821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384661440 + 384661441.

It is an arithmetic number, because the mean of its divisors is an integer number (384661441).

Almost surely, 2^769322881 is an apocalyptic number.

It is an amenable number.

769322881 is a deficient number, since it is larger than the sum of its proper divisors (1).

769322881 is an equidigital number, since it uses as much as digits as its factorization.

769322881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 46.

The square root of 769322881 is about 27736.6703300883. The cubic root of 769322881 is about 916.2968982371.

The spelling of 769322881 in words is "seven hundred sixty-nine million, three hundred twenty-two thousand, eight hundred eighty-one".