840800713 has 4 divisors (see below), whose sum is σ = 851443840. Its totient is φ = 830157588.

The previous prime is 840800687. The next prime is 840800747. The reversal of 840800713 is 317008048.

It is a happy number.

840800713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 840800713 - 2²¹ = 838703561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (840800413) 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, 5321445 + ... + 5321602.

It is an arithmetic number, because the mean of its divisors is an integer number (212860960).

Almost surely, 2^840800713 is an apocalyptic number.

It is an amenable number.

840800713 is a deficient number, since it is larger than the sum of its proper divisors (10643127).

840800713 is a wasteful number, since it uses less digits than its factorization.

840800713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10643126.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 840800713 is about 28996.5638136659. The cubic root of 840800713 is about 943.8385039406.

The spelling of 840800713 in words is "eight hundred forty million, eight hundred thousand, seven hundred thirteen".