4806978306785 has 4 divisors (see below), whose sum is σ = 5768373968148. Its totient is φ = 3845582645424.

The previous prime is 4806978306737. The next prime is 4806978306847. The reversal of 4806978306785 is 5876038796084.

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 2036774248336 + 2770204058449 = 1427156^2 + 1664393^2 .

It is a cyclic number.

It is not a de Polignac number, because 4806978306785 - 2¹⁰ = 4806978305761 is a prime.

It is a super-3 number, since 3×4806978306785³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480697830674 + ... + 480697830683.

It is an arithmetic number, because the mean of its divisors is an integer number (1442093492037).

Almost surely, 2^{4806978306785} is an apocalyptic number.

It is an amenable number.

4806978306785 is a deficient number, since it is larger than the sum of its proper divisors (961395661363).

4806978306785 is an equidigital number, since it uses as much as digits as its factorization.

4806978306785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961395661362.

The product of its (nonzero) digits is 487710720, while the sum is 71.

The spelling of 4806978306785 in words is "four trillion, eight hundred six billion, nine hundred seventy-eight million, three hundred six thousand, seven hundred eighty-five".