849877073 has 4 divisors (see below), whose sum is σ = 899869860. Its totient is φ = 799884288.

The previous prime is 849877057. The next prime is 849877079. The reversal of 849877073 is 370778948.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 606735424 + 243141649 = 24632^2 + 15593^2 .

It is a cyclic number.

It is not a de Polignac number, because 849877073 - 2⁴ = 849877057 is a prime.

It is a super-2 number, since 2×849877073² = 1444582078422094658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849877079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24996368 + ... + 24996401.

It is an arithmetic number, because the mean of its divisors is an integer number (224967465).

Almost surely, 2^849877073 is an apocalyptic number.

It is an amenable number.

849877073 is a deficient number, since it is larger than the sum of its proper divisors (49992787).

849877073 is a wasteful number, since it uses less digits than its factorization.

849877073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49992786.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The square root of 849877073 is about 29152.6512173421. The cubic root of 849877073 is about 947.2225703402. Note that the first 3 decimals are identical.

The spelling of 849877073 in words is "eight hundred forty-nine million, eight hundred seventy-seven thousand, seventy-three".