116172828389 has 2 divisors, whose sum is σ = 116172828390. Its totient is φ = 116172828388.

The previous prime is 116172828361. The next prime is 116172828407. The reversal of 116172828389 is 983828271611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108861723364 + 7311105025 = 329942^2 + 85505^2 .

It is a cyclic number.

It is not a de Polignac number, because 116172828389 - 2³⁶ = 47453351653 is a prime.

It is a super-2 number, since 2×116172828389² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116172828589) 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, 58086414194 + 58086414195.

It is an arithmetic number, because the mean of its divisors is an integer number (58086414195).

Almost surely, 2^116172828389 is an apocalyptic number.

It is an amenable number.

116172828389 is a deficient number, since it is larger than the sum of its proper divisors (1).

116172828389 is an equidigital number, since it uses as much as digits as its factorization.

116172828389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 56.

The spelling of 116172828389 in words is "one hundred sixteen billion, one hundred seventy-two million, eight hundred twenty-eight thousand, three hundred eighty-nine".