766485469 has 2 divisors, whose sum is σ = 766485470. Its totient is φ = 766485468.

The previous prime is 766485389. The next prime is 766485481. The reversal of 766485469 is 964584667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 766459225 + 26244 = 27685^2 + 162^2 .

It is a cyclic number.

It is not a de Polignac number, because 766485469 - 2²⁹ = 229614557 is a prime.

It is a super-2 number, since 2×766485469² = 1174999948376299922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766485569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383242734 + 383242735.

It is an arithmetic number, because the mean of its divisors is an integer number (383242735).

Almost surely, 2^766485469 is an apocalyptic number.

It is an amenable number.

766485469 is a deficient number, since it is larger than the sum of its proper divisors (1).

766485469 is an equidigital number, since it uses as much as digits as its factorization.

766485469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8709120, while the sum is 55.

The square root of 766485469 is about 27685.4739710195. The cubic root of 766485469 is about 915.1690169228.

The spelling of 766485469 in words is "seven hundred sixty-six million, four hundred eighty-five thousand, four hundred sixty-nine".