849472791 has 8 divisors (see below), whose sum is σ = 1132921344. Its totient is φ = 566169720.

The previous prime is 849472769. The next prime is 849472801. The reversal of 849472791 is 197274948.

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

It is not a de Polignac number, because 849472791 - 2⁵ = 849472759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849473791) 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, 21925 + ... + 46686.

It is an arithmetic number, because the mean of its divisors is an integer number (141615168).

Almost surely, 2^849472791 is an apocalyptic number.

849472791 is a deficient number, since it is larger than the sum of its proper divisors (283448553).

849472791 is a wasteful number, since it uses less digits than its factorization.

849472791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72741.

The product of its digits is 1016064, while the sum is 51.

The square root of 849472791 is about 29145.7165120366. The cubic root of 849472791 is about 947.0723502731.

The spelling of 849472791 in words is "eight hundred forty-nine million, four hundred seventy-two thousand, seven hundred ninety-one".