86750897 has 2 divisors, whose sum is σ = 86750898. Its totient is φ = 86750896.

The previous prime is 86750887. The next prime is 86750899. The reversal of 86750897 is 79805768.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79138816 + 7612081 = 8896^2 + 2759^2 .

It is a cyclic number.

It is not a de Polignac number, because 86750897 - 2¹⁴ = 86734513 is a prime.

Together with 86750899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86750899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43375448 + 43375449.

It is an arithmetic number, because the mean of its divisors is an integer number (43375449).

Almost surely, 2^86750897 is an apocalyptic number.

It is an amenable number.

86750897 is a deficient number, since it is larger than the sum of its proper divisors (1).

86750897 is an equidigital number, since it uses as much as digits as its factorization.

86750897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 86750897 is about 9314.0161584571. The cubic root of 86750897 is about 442.6814509017.

The spelling of 86750897 in words is "eighty-six million, seven hundred fifty thousand, eight hundred ninety-seven".