89215699 has 2 divisors, whose sum is σ = 89215700. Its totient is φ = 89215698.

The previous prime is 89215673. The next prime is 89215703. The reversal of 89215699 is 99651298.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89215699 - 2⁵ = 89215667 is a prime.

It is not a weakly prime, because it can be changed into another prime (89215619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44607849 + 44607850.

It is an arithmetic number, because the mean of its divisors is an integer number (44607850).

Almost surely, 2^89215699 is an apocalyptic number.

89215699 is a deficient number, since it is larger than the sum of its proper divisors (1).

89215699 is an equidigital number, since it uses as much as digits as its factorization.

89215699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 49.

The square root of 89215699 is about 9445.4062379550. The cubic root of 89215699 is about 446.8349080957.

The spelling of 89215699 in words is "eighty-nine million, two hundred fifteen thousand, six hundred ninety-nine".