85884497 has 2 divisors, whose sum is σ = 85884498. Its totient is φ = 85884496.

The previous prime is 85884473. The next prime is 85884521. The reversal of 85884497 is 79448858.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (85884473) and next prime (85884521).

It can be written as a sum of positive squares in only one way, i.e., 51825601 + 34058896 = 7199^2 + 5836^2 .

It is a cyclic number.

It is not a de Polignac number, because 85884497 - 2⁸ = 85884241 is a prime.

It is a super-2 number, since 2×85884497² = 14752293649886018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85884797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42942248 + 42942249.

It is an arithmetic number, because the mean of its divisors is an integer number (42942249).

Almost surely, 2^85884497 is an apocalyptic number.

It is an amenable number.

85884497 is a deficient number, since it is larger than the sum of its proper divisors (1).

85884497 is an equidigital number, since it uses as much as digits as its factorization.

85884497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2580480, while the sum is 53.

The square root of 85884497 is about 9267.3888987136. The cubic root of 85884497 is about 441.2027988683.

The spelling of 85884497 in words is "eighty-five million, eight hundred eighty-four thousand, four hundred ninety-seven".