8261060986 has 4 divisors (see below), whose sum is σ = 12391591482. Its totient is φ = 4130530492.

The previous prime is 8261060981. The next prime is 8261060993. The reversal of 8261060986 is 6890601628.

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

It can be written as a sum of positive squares in only one way, i.e., 8096580361 + 164480625 = 89981^2 + 12825^2 .

It is a super-2 number, since 2×8261060986² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8261060981) by changing a digit.

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 as a sum of consecutive naturals, namely, 2065265245 + ... + 2065265248.

Almost surely, 2^8261060986 is an apocalyptic number.

8261060986 is a deficient number, since it is larger than the sum of its proper divisors (4130530496).

8261060986 is a wasteful number, since it uses less digits than its factorization.

8261060986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130530495.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 8261060986 is about 90890.3789517901. The cubic root of 8261060986 is about 2021.5226393475.

The spelling of 8261060986 in words is "eight billion, two hundred sixty-one million, sixty thousand, nine hundred eighty-six".