2147755085 has 16 divisors (see below), whose sum is σ = 2975863296. Its totient is φ = 1457561088.

The previous prime is 2147755063. The next prime is 2147755091. The reversal of 2147755085 is 5805577412.

It is a cyclic number.

It is not a de Polignac number, because 2147755085 - 2¹⁰ = 2147754061 is a prime.

It is a super-2 number, since 2×2147755085² = 9225703810286714450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312917 + ... + 319706.

It is an arithmetic number, because the mean of its divisors is an integer number (185991456).

Almost surely, 2^2147755085 is an apocalyptic number.

It is an amenable number.

2147755085 is a deficient number, since it is larger than the sum of its proper divisors (828108211).

2147755085 is an equidigital number, since it uses as much as digits as its factorization.

2147755085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632732.

The product of its (nonzero) digits is 392000, while the sum is 44.

The square root of 2147755085 is about 46343.8786141169. The cubic root of 2147755085 is about 1290.2135105201.

The spelling of 2147755085 in words is "two billion, one hundred forty-seven million, seven hundred fifty-five thousand, eighty-five".