85882817 has 2 divisors, whose sum is σ = 85882818. Its totient is φ = 85882816.

The previous prime is 85882813. The next prime is 85882837. The reversal of 85882817 is 71828858.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85303696 + 579121 = 9236^2 + 761^2 .

It is a cyclic number.

It is not a de Polignac number, because 85882817 - 2² = 85882813 is a prime.

It is not a weakly prime, because it can be changed into another prime (85882813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42941408 + 42941409.

It is an arithmetic number, because the mean of its divisors is an integer number (42941409).

Almost surely, 2^85882817 is an apocalyptic number.

It is an amenable number.

85882817 is a deficient number, since it is larger than the sum of its proper divisors (1).

85882817 is an equidigital number, since it uses as much as digits as its factorization.

85882817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 286720, while the sum is 47.

The square root of 85882817 is about 9267.2982578527. The cubic root of 85882817 is about 441.1999220374.

The spelling of 85882817 in words is "eighty-five million, eight hundred eighty-two thousand, eight hundred seventeen".