116863473609 has 27 divisors (see below), whose sum is σ = 179343219783. Its totient is φ = 73315161792.

The previous prime is 116863473581. The next prime is 116863473611. The reversal of 116863473609 is 906374368611.

It is a happy number.

The square root of 116863473609 is 341853.

It is a perfect power (a square), and thus also a powerful number.

116863473609 is a `hidden beast` number, since 1 + 168 + 6 + 3 + 473 + 6 + 0 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 90983673225 + 25879800384 = 301635^2 + 160872^2 .

It is not a de Polignac number, because 116863473609 - 2¹⁷ = 116863342537 is a prime.

It is a super-2 number, since 2×116863473609² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (116863471609) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 17431152 + ... + 17437854.

Almost surely, 2^116863473609 is an apocalyptic number.

116863473609 is the 341853-rd square number.

116863473609 is the 170927-th centered octagonal number.

It is an amenable number.

116863473609 is a deficient number, since it is larger than the sum of its proper divisors (62479746174).

116863473609 is an frugal number, since it uses more digits than its factorization.

116863473609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13446 (or 6723 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 116863473609 in words is "one hundred sixteen billion, eight hundred sixty-three million, four hundred seventy-three thousand, six hundred nine".