6240661847 has 8 divisors (see below), whose sum is σ = 7175942016. Its totient is φ = 5316320952.

The previous prime is 6240661837. The next prime is 6240661849. The reversal of 6240661847 is 7481660426.

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 6240661847 - 2⁸ = 6240661591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6240661798 and 6240661807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6240661849) 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, 2733593 + ... + 2735874.

It is an arithmetic number, because the mean of its divisors is an integer number (896992752).

Almost surely, 2^6240661847 is an apocalyptic number.

6240661847 is a deficient number, since it is larger than the sum of its proper divisors (935280169).

6240661847 is a wasteful number, since it uses less digits than its factorization.

6240661847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5469637.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 6240661847 is about 78997.8597621480. The cubic root of 6240661847 is about 1841.0979040550.

The spelling of 6240661847 in words is "six billion, two hundred forty million, six hundred sixty-one thousand, eight hundred forty-seven".