1064781800677 has 8 divisors (see below), whose sum is σ = 1269801899136. Its totient is φ = 872988805392.

The previous prime is 1064781800671. The next prime is 1064781800683. The reversal of 1064781800677 is 7760081874601.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1064781800671) and next prime (1064781800683).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1064781800677 - 2²⁷ = 1064647582949 is a prime.

It is a super-2 number, since 2×1064781800677² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064781800671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3306775618 + ... + 3306775939.

It is an arithmetic number, because the mean of its divisors is an integer number (158725237392).

Almost surely, 2^{1064781800677} is an apocalyptic number.

It is an amenable number.

1064781800677 is a deficient number, since it is larger than the sum of its proper divisors (205020098459).

1064781800677 is an equidigital number, since it uses as much as digits as its factorization.

1064781800677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6613551587.

The product of its (nonzero) digits is 3161088, while the sum is 55.

The spelling of 1064781800677 in words is "one trillion, sixty-four billion, seven hundred eighty-one million, eight hundred thousand, six hundred seventy-seven".