86889659 has 2 divisors, whose sum is σ = 86889660. Its totient is φ = 86889658.

The previous prime is 86889623. The next prime is 86889689. The reversal of 86889659 is 95698868.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86889659 is a prime.

It is a super-2 number, since 2×86889659² = 15099625682272562, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 86889598 and 86889607.

It is not a weakly prime, because it can be changed into another prime (86889689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43444829 + 43444830.

It is an arithmetic number, because the mean of its divisors is an integer number (43444830).

Almost surely, 2^86889659 is an apocalyptic number.

86889659 is a deficient number, since it is larger than the sum of its proper divisors (1).

86889659 is an equidigital number, since it uses as much as digits as its factorization.

86889659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7464960, while the sum is 59.

The square root of 86889659 is about 9321.4622779905. The cubic root of 86889659 is about 442.9173548625.

The spelling of 86889659 in words is "eighty-six million, eight hundred eighty-nine thousand, six hundred fifty-nine".