801778246305 has 16 divisors (see below), whose sum is σ = 1282924630080. Its totient is φ = 427588586048.

The previous prime is 801778246289. The next prime is 801778246309. The reversal of 801778246305 is 503642877108.

801778246305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 801778246305 - 2⁴ = 801778246289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (801778246309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1403367 + ... + 1890236.

It is an arithmetic number, because the mean of its divisors is an integer number (80182789380).

Almost surely, 2^801778246305 is an apocalyptic number.

It is an amenable number.

801778246305 is a deficient number, since it is larger than the sum of its proper divisors (481146383775).

801778246305 is a wasteful number, since it uses less digits than its factorization.

801778246305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309840.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 801778246305 in words is "eight hundred one billion, seven hundred seventy-eight million, two hundred forty-six thousand, three hundred five".