2112858877 has 2 divisors, whose sum is σ = 2112858878. Its totient is φ = 2112858876.

The previous prime is 2112858859. The next prime is 2112858883. The reversal of 2112858877 is 7788582112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1965503556 + 147355321 = 44334^2 + 12139^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112858877 - 2¹⁹ = 2112334589 is a prime.

It is a super-2 number, since 2×2112858877² = 8928345268235402258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112858877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112858827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056429438 + 1056429439.

It is an arithmetic number, because the mean of its divisors is an integer number (1056429439).

Almost surely, 2^2112858877 is an apocalyptic number.

It is an amenable number.

2112858877 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112858877 is an equidigital number, since it uses as much as digits as its factorization.

2112858877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 501760, while the sum is 49.

The square root of 2112858877 is about 45965.8446784131. The cubic root of 2112858877 is about 1283.1876274598.

The spelling of 2112858877 in words is "two billion, one hundred twelve million, eight hundred fifty-eight thousand, eight hundred seventy-seven".