849121707 has 8 divisors (see below), whose sum is σ = 1293899776. Its totient is φ = 485212392.

The previous prime is 849121703. The next prime is 849121709. The reversal of 849121707 is 707121948.

849121707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 849121707 - 2² = 849121703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849121703) 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, 20217163 + ... + 20217204.

It is an arithmetic number, because the mean of its divisors is an integer number (161737472).

Almost surely, 2^849121707 is an apocalyptic number.

849121707 is a deficient number, since it is larger than the sum of its proper divisors (444778069).

849121707 is a wasteful number, since it uses less digits than its factorization.

849121707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40434377.

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 849121707 is about 29139.6929805377. The cubic root of 849121707 is about 946.9418584471.

The spelling of 849121707 in words is "eight hundred forty-nine million, one hundred twenty-one thousand, seven hundred seven".