6764761897 has 2 divisors, whose sum is σ = 6764761898. Its totient is φ = 6764761896.

The previous prime is 6764761859. The next prime is 6764761903. The reversal of 6764761897 is 7981674676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3416519401 + 3348242496 = 58451^2 + 57864^2 .

It is a cyclic number.

It is not a de Polignac number, because 6764761897 - 2²⁷ = 6630544169 is a prime.

It is not a weakly prime, because it can be changed into another prime (6764761847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3382380948 + 3382380949.

It is an arithmetic number, because the mean of its divisors is an integer number (3382380949).

Almost surely, 2^6764761897 is an apocalyptic number.

It is an amenable number.

6764761897 is a deficient number, since it is larger than the sum of its proper divisors (1).

6764761897 is an equidigital number, since it uses as much as digits as its factorization.

6764761897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21337344, while the sum is 61.

The square root of 6764761897 is about 82248.1726058397. The cubic root of 6764761897 is about 1891.2582624717.

The spelling of 6764761897 in words is "six billion, seven hundred sixty-four million, seven hundred sixty-one thousand, eight hundred ninety-seven".