89902717 has 2 divisors, whose sum is σ = 89902718. Its totient is φ = 89902716.

The previous prime is 89902693. The next prime is 89902733. The reversal of 89902717 is 71720998.

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., 85488516 + 4414201 = 9246^2 + 2101^2 .

It is a cyclic number.

It is not a de Polignac number, because 89902717 - 2¹¹ = 89900669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89902517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44951358 + 44951359.

It is an arithmetic number, because the mean of its divisors is an integer number (44951359).

Almost surely, 2^89902717 is an apocalyptic number.

It is an amenable number.

89902717 is a deficient number, since it is larger than the sum of its proper divisors (1).

89902717 is an equidigital number, since it uses as much as digits as its factorization.

89902717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 89902717 is about 9481.7043299188. The cubic root of 89902717 is about 447.9789481099.

The spelling of 89902717 in words is "eighty-nine million, nine hundred two thousand, seven hundred seventeen".