89131027 has 2 divisors, whose sum is σ = 89131028. Its totient is φ = 89131026.

The previous prime is 89131019. The next prime is 89131061. The reversal of 89131027 is 72013198.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89131027 - 2³ = 89131019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89131027.

It is not a weakly prime, because it can be changed into another prime (89131327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44565513 + 44565514.

It is an arithmetic number, because the mean of its divisors is an integer number (44565514).

Almost surely, 2^89131027 is an apocalyptic number.

89131027 is a deficient number, since it is larger than the sum of its proper divisors (1).

89131027 is an equidigital number, since it uses as much as digits as its factorization.

89131027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 89131027 is about 9440.9229951314. The cubic root of 89131027 is about 446.6935040557.

The spelling of 89131027 in words is "eighty-nine million, one hundred thirty-one thousand, twenty-seven".