785078801 has 8 divisors (see below), whose sum is σ = 846591144. Its totient is φ = 723726720.

The previous prime is 785078797. The next prime is 785078809. The reversal of 785078801 is 108870587.

785078801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 20611600 + 764467201 = 4540^2 + 27649^2 .

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 785078801 - 2² = 785078797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (785078809) 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, 29786 + ... + 49571.

It is an arithmetic number, because the mean of its divisors is an integer number (105823893).

Almost surely, 2^785078801 is an apocalyptic number.

It is an amenable number.

785078801 is a deficient number, since it is larger than the sum of its proper divisors (61512343).

785078801 is a wasteful number, since it uses less digits than its factorization.

785078801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80131.

The product of its (nonzero) digits is 125440, while the sum is 44.

The square root of 785078801 is about 28019.2576811021. The cubic root of 785078801 is about 922.5100019235.

The spelling of 785078801 in words is "seven hundred eighty-five million, seventy-eight thousand, eight hundred one".