8261776316 has 48 divisors (see below), whose sum is σ = 15011414208. Its totient is φ = 3976128000.

The previous prime is 8261776307. The next prime is 8261776333. The reversal of 8261776316 is 6136771628.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7771601 + ... + 7772663.

It is an arithmetic number, because the mean of its divisors is an integer number (312737796).

Almost surely, 2^8261776316 is an apocalyptic number.

It is an amenable number.

8261776316 is a deficient number, since it is larger than the sum of its proper divisors (6749637892).

8261776316 is a wasteful number, since it uses less digits than its factorization.

8261776316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782 (or 1780 counting only the distinct ones).

The product of its digits is 508032, while the sum is 47.

The square root of 8261776316 is about 90894.3139915804. The cubic root of 8261776316 is about 2021.5809859310.

The spelling of 8261776316 in words is "eight billion, two hundred sixty-one million, seven hundred seventy-six thousand, three hundred sixteen".