766934789 has 2 divisors, whose sum is σ = 766934790. Its totient is φ = 766934788.

The previous prime is 766934743. The next prime is 766934801. The reversal of 766934789 is 987439667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 765352225 + 1582564 = 27665^2 + 1258^2 .

It is a cyclic number.

It is not a de Polignac number, because 766934789 - 2⁸ = 766934533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766934489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383467394 + 383467395.

It is an arithmetic number, because the mean of its divisors is an integer number (383467395).

Almost surely, 2^766934789 is an apocalyptic number.

It is an amenable number.

766934789 is a deficient number, since it is larger than the sum of its proper divisors (1).

766934789 is an equidigital number, since it uses as much as digits as its factorization.

766934789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13716864, while the sum is 59.

The square root of 766934789 is about 27693.5875068580. The cubic root of 766934789 is about 915.3478084916.

The spelling of 766934789 in words is "seven hundred sixty-six million, nine hundred thirty-four thousand, seven hundred eighty-nine".