1007694780017 has 4 divisors (see below), whose sum is σ = 1007764343460. Its totient is φ = 1007625216576.

The previous prime is 1007694779953. The next prime is 1007694780019. The reversal of 1007694780017 is 7100874967001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46949789041 + 960744990976 = 216679^2 + 980176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1007694780017 - 2⁶ = 1007694779953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1007694780019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34759988 + ... + 34788965.

It is an arithmetic number, because the mean of its divisors is an integer number (251941085865).

Almost surely, 2^{1007694780017} is an apocalyptic number.

It is an amenable number.

1007694780017 is a deficient number, since it is larger than the sum of its proper divisors (69563443).

1007694780017 is an equidigital number, since it uses as much as digits as its factorization.

1007694780017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69563442.

The product of its (nonzero) digits is 592704, while the sum is 50.

The spelling of 1007694780017 in words is "one trillion, seven billion, six hundred ninety-four million, seven hundred eighty thousand, seventeen".