846722869 has 4 divisors (see below), whose sum is σ = 857440960. Its totient is φ = 836004780.

The previous prime is 846722819. The next prime is 846722963. The reversal of 846722869 is 968227648.

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 846722869 - 2¹¹ = 846720821 is a prime.

It is a super-2 number, since 2×846722869² = 1433879233775182322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846722819) 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, 5358927 + ... + 5359084.

It is an arithmetic number, because the mean of its divisors is an integer number (214360240).

Almost surely, 2^846722869 is an apocalyptic number.

It is an amenable number.

846722869 is a deficient number, since it is larger than the sum of its proper divisors (10718091).

846722869 is a wasteful number, since it uses less digits than its factorization.

846722869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10718090.

The product of its digits is 2322432, while the sum is 52.

The square root of 846722869 is about 29098.5028652678. The cubic root of 846722869 is about 946.0492880917.

The spelling of 846722869 in words is "eight hundred forty-six million, seven hundred twenty-two thousand, eight hundred sixty-nine".