2827111961 has 2 divisors, whose sum is σ = 2827111962. Its totient is φ = 2827111960.

The previous prime is 2827111939. The next prime is 2827111981. The reversal of 2827111961 is 1691117282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2674441225 + 152670736 = 51715^2 + 12356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2827111961 is a prime.

It is a super-3 number, since 3×2827111961³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2827111901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1413555980 + 1413555981.

It is an arithmetic number, because the mean of its divisors is an integer number (1413555981).

Almost surely, 2^2827111961 is an apocalyptic number.

It is an amenable number.

2827111961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2827111961 is an equidigital number, since it uses as much as digits as its factorization.

2827111961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 38.

The square root of 2827111961 is about 53170.5930096703. The cubic root of 2827111961 is about 1413.9943344330.

The spelling of 2827111961 in words is "two billion, eight hundred twenty-seven million, one hundred eleven thousand, nine hundred sixty-one".