99627589 has 2 divisors, whose sum is σ = 99627590. Its totient is φ = 99627588.

The previous prime is 99627571. The next prime is 99627613. The reversal of 99627589 is 98572699.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61496964 + 38130625 = 7842^2 + 6175^2 .

It is a cyclic number.

It is not a de Polignac number, because 99627589 - 2¹⁵ = 99594821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99627289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49813794 + 49813795.

It is an arithmetic number, because the mean of its divisors is an integer number (49813795).

Almost surely, 2^99627589 is an apocalyptic number.

It is an amenable number.

99627589 is a deficient number, since it is larger than the sum of its proper divisors (1).

99627589 is an equidigital number, since it uses as much as digits as its factorization.

99627589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 55.

The square root of 99627589 is about 9981.3620813995. The cubic root of 99627589 is about 463.5819736961.

The spelling of 99627589 in words is "ninety-nine million, six hundred twenty-seven thousand, five hundred eighty-nine".