849263077 has 4 divisors (see below), whose sum is σ = 914591020. Its totient is φ = 783935136.

The previous prime is 849263059. The next prime is 849263081. The reversal of 849263077 is 770362948.

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 558424161 + 290838916 = 23631^2 + 17054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-849263077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849263047) 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, 32663952 + ... + 32663977.

It is an arithmetic number, because the mean of its divisors is an integer number (228647755).

Almost surely, 2^849263077 is an apocalyptic number.

It is an amenable number.

849263077 is a deficient number, since it is larger than the sum of its proper divisors (65327943).

849263077 is a wasteful number, since it uses less digits than its factorization.

849263077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65327942.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 849263077 is about 29142.1186086393. The cubic root of 849263077 is about 946.9944075461.

The spelling of 849263077 in words is "eight hundred forty-nine million, two hundred sixty-three thousand, seventy-seven".