8116773261 has 8 divisors (see below), whose sum is σ = 10829147424. Its totient is φ = 5407790640.

The previous prime is 8116773251. The next prime is 8116773263. The reversal of 8116773261 is 1623776118.

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

It is not a de Polignac number, because 8116773261 - 2¹⁵ = 8116740493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8116773263) 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, 842295 + ... + 851876.

It is an arithmetic number, because the mean of its divisors is an integer number (1353643428).

Almost surely, 2^8116773261 is an apocalyptic number.

It is an amenable number.

8116773261 is a deficient number, since it is larger than the sum of its proper divisors (2712374163).

8116773261 is a wasteful number, since it uses less digits than its factorization.

8116773261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695771.

The product of its digits is 84672, while the sum is 42.

The square root of 8116773261 is about 90093.1365920845. The cubic root of 8116773261 is about 2009.6841381341.

The spelling of 8116773261 in words is "eight billion, one hundred sixteen million, seven hundred seventy-three thousand, two hundred sixty-one".