86898923 has 2 divisors, whose sum is σ = 86898924. Its totient is φ = 86898922.

The previous prime is 86898907. The next prime is 86898941. The reversal of 86898923 is 32989868.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86898923 - 2⁴ = 86898907 is a prime.

It is not a weakly prime, because it can be changed into another prime (86898023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43449461 + 43449462.

It is an arithmetic number, because the mean of its divisors is an integer number (43449462).

Almost surely, 2^86898923 is an apocalyptic number.

86898923 is a deficient number, since it is larger than the sum of its proper divisors (1).

86898923 is an equidigital number, since it uses as much as digits as its factorization.

86898923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 53.

The square root of 86898923 is about 9321.9591824895. The cubic root of 86898923 is about 442.9330952877.

The spelling of 86898923 in words is "eighty-six million, eight hundred ninety-eight thousand, nine hundred twenty-three".