7662046066865 has 4 divisors (see below), whose sum is σ = 9194455280244. Its totient is φ = 6129636853488.

The previous prime is 7662046066861. The next prime is 7662046066879. The reversal of 7662046066865 is 5686606402667.

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 1430552347249 + 6231493719616 = 1196057^2 + 2496296^2 .

It is a cyclic number.

It is not a de Polignac number, because 7662046066865 - 2² = 7662046066861 is a prime.

It is a super-2 number, since 2×7662046066865² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7662046066798 and 7662046066807.

It is not an unprimeable number, because it can be changed into a prime (7662046066861) 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, 766204606682 + ... + 766204606691.

It is an arithmetic number, because the mean of its divisors is an integer number (2298613820061).

Almost surely, 2^{7662046066865} is an apocalyptic number.

It is an amenable number.

7662046066865 is a deficient number, since it is larger than the sum of its proper divisors (1532409213379).

7662046066865 is a wasteful number, since it uses less digits than its factorization.

7662046066865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532409213378.

The product of its (nonzero) digits is 104509440, while the sum is 62.

The spelling of 7662046066865 in words is "seven trillion, six hundred sixty-two billion, forty-six million, sixty-six thousand, eight hundred sixty-five".