89013437 has 2 divisors, whose sum is σ = 89013438. Its totient is φ = 89013436.

The previous prime is 89013403. The next prime is 89013467. The reversal of 89013437 is 73431098.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50993881 + 38019556 = 7141^2 + 6166^2 .

It is a cyclic number.

It is not a de Polignac number, because 89013437 - 2²⁰ = 87964861 is a prime.

It is a super-3 number, since 3×89013437³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 89013397 and 89013406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89013467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44506718 + 44506719.

It is an arithmetic number, because the mean of its divisors is an integer number (44506719).

Almost surely, 2^89013437 is an apocalyptic number.

It is an amenable number.

89013437 is a deficient number, since it is larger than the sum of its proper divisors (1).

89013437 is an equidigital number, since it uses as much as digits as its factorization.

89013437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 89013437 is about 9434.6932647543. The cubic root of 89013437 is about 446.4969776337.

The spelling of 89013437 in words is "eighty-nine million, thirteen thousand, four hundred thirty-seven".