86969699 has 2 divisors, whose sum is σ = 86969700. Its totient is φ = 86969698.

The previous prime is 86969657. The next prime is 86969711. The reversal of 86969699 is 99696968.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86969699 - 2¹⁶ = 86904163 is a prime.

It is not a weakly prime, because it can be changed into another prime (86969299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43484849 + 43484850.

It is an arithmetic number, because the mean of its divisors is an integer number (43484850).

Almost surely, 2^86969699 is an apocalyptic number.

86969699 is a deficient number, since it is larger than the sum of its proper divisors (1).

86969699 is an equidigital number, since it uses as much as digits as its factorization.

86969699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11337408, while the sum is 62.

The square root of 86969699 is about 9325.7546075371. The cubic root of 86969699 is about 443.0533136005.

The spelling of 86969699 in words is "eighty-six million, nine hundred sixty-nine thousand, six hundred ninety-nine".