89432011 has 2 divisors, whose sum is σ = 89432012. Its totient is φ = 89432010.

The previous prime is 89431973. The next prime is 89432017. The reversal of 89432011 is 11023498.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89432011 - 2²⁵ = 55877579 is a prime.

It is not a weakly prime, because it can be changed into another prime (89432017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44716005 + 44716006.

It is an arithmetic number, because the mean of its divisors is an integer number (44716006).

Almost surely, 2^89432011 is an apocalyptic number.

89432011 is a deficient number, since it is larger than the sum of its proper divisors (1).

89432011 is an equidigital number, since it uses as much as digits as its factorization.

89432011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 89432011 is about 9456.8499512258. The cubic root of 89432011 is about 447.1957479544.

The spelling of 89432011 in words is "eighty-nine million, four hundred thirty-two thousand, eleven".