785278316623 has 8 divisors (see below), whose sum is σ = 831558510720. Its totient is φ = 739493098200.

The previous prime is 785278316611. The next prime is 785278316659. The reversal of 785278316623 is 326613872587.

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 785278316623 - 2⁵ = 785278316591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785272316623) 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, 123740653 + ... + 123746998.

It is an arithmetic number, because the mean of its divisors is an integer number (103944813840).

Almost surely, 2^785278316623 is an apocalyptic number.

785278316623 is a deficient number, since it is larger than the sum of its proper divisors (46280194097).

785278316623 is a wasteful number, since it uses less digits than its factorization.

785278316623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247487837.

The product of its digits is 20321280, while the sum is 58.

The spelling of 785278316623 in words is "seven hundred eighty-five billion, two hundred seventy-eight million, three hundred sixteen thousand, six hundred twenty-three".