89726437 has 2 divisors, whose sum is σ = 89726438. Its totient is φ = 89726436.

The previous prime is 89726411. The next prime is 89726449. The reversal of 89726437 is 73462798.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64786401 + 24940036 = 8049^2 + 4994^2 .

It is a cyclic number.

It is not a de Polignac number, because 89726437 - 2⁷ = 89726309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89706437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44863218 + 44863219.

It is an arithmetic number, because the mean of its divisors is an integer number (44863219).

Almost surely, 2^89726437 is an apocalyptic number.

It is an amenable number.

89726437 is a deficient number, since it is larger than the sum of its proper divisors (1).

89726437 is an equidigital number, since it uses as much as digits as its factorization.

89726437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 46.

The square root of 89726437 is about 9472.4039715375. The cubic root of 89726437 is about 447.6859595620.

The spelling of 89726437 in words is "eighty-nine million, seven hundred twenty-six thousand, four hundred thirty-seven".