89857741 has 2 divisors, whose sum is σ = 89857742. Its totient is φ = 89857740.

The previous prime is 89857727. The next prime is 89857751. The reversal of 89857741 is 14775898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88755241 + 1102500 = 9421^2 + 1050^2 .

It is a cyclic number.

It is not a de Polignac number, because 89857741 - 2¹³ = 89849549 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89857721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44928870 + 44928871.

It is an arithmetic number, because the mean of its divisors is an integer number (44928871).

Almost surely, 2^89857741 is an apocalyptic number.

It is an amenable number.

89857741 is a deficient number, since it is larger than the sum of its proper divisors (1).

89857741 is an equidigital number, since it uses as much as digits as its factorization.

89857741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 49.

The square root of 89857741 is about 9479.3323077103. The cubic root of 89857741 is about 447.9042315620.

The spelling of 89857741 in words is "eighty-nine million, eight hundred fifty-seven thousand, seven hundred forty-one".