88911149 has 2 divisors, whose sum is σ = 88911150. Its totient is φ = 88911148.

The previous prime is 88911113. The next prime is 88911161. The reversal of 88911149 is 94111988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68724100 + 20187049 = 8290^2 + 4493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88911149 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88911749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44455574 + 44455575.

It is an arithmetic number, because the mean of its divisors is an integer number (44455575).

Almost surely, 2^88911149 is an apocalyptic number.

It is an amenable number.

88911149 is a deficient number, since it is larger than the sum of its proper divisors (1).

88911149 is an equidigital number, since it uses as much as digits as its factorization.

88911149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 41.

The square root of 88911149 is about 9429.2708625853. The cubic root of 88911149 is about 446.3258844084.

The spelling of 88911149 in words is "eighty-eight million, nine hundred eleven thousand, one hundred forty-nine".