85282877 has 2 divisors, whose sum is σ = 85282878. Its totient is φ = 85282876.

The previous prime is 85282861. The next prime is 85282903. The reversal of 85282877 is 77828258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85026841 + 256036 = 9221^2 + 506^2 .

It is a cyclic number.

It is not a de Polignac number, because 85282877 - 2⁴ = 85282861 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85282807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42641438 + 42641439.

It is an arithmetic number, because the mean of its divisors is an integer number (42641439).

Almost surely, 2^85282877 is an apocalyptic number.

It is an amenable number.

85282877 is a deficient number, since it is larger than the sum of its proper divisors (1).

85282877 is an equidigital number, since it uses as much as digits as its factorization.

85282877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 501760, while the sum is 47.

The square root of 85282877 is about 9234.8728740573. The cubic root of 85282877 is about 440.1701769415.

The spelling of 85282877 in words is "eighty-five million, two hundred eighty-two thousand, eight hundred seventy-seven".