116421775 has 12 divisors (see below), whose sum is σ = 144568872. Its totient is φ = 93004640.

The previous prime is 116421751. The next prime is 116421793. The reversal of 116421775 is 577124611.

It is not a de Polignac number, because 116421775 - 2⁵ = 116421743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116421775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17004 + ... + 22846.

It is an arithmetic number, because the mean of its divisors is an integer number (12047406).

Almost surely, 2^116421775 is an apocalyptic number.

116421775 is a deficient number, since it is larger than the sum of its proper divisors (28147097).

116421775 is an equidigital number, since it uses as much as digits as its factorization.

116421775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6650 (or 6645 counting only the distinct ones).

The product of its digits is 11760, while the sum is 34.

The square root of 116421775 is about 10789.8922608152. The cubic root of 116421775 is about 488.2902720232.

The spelling of 116421775 in words is "one hundred sixteen million, four hundred twenty-one thousand, seven hundred seventy-five".