89561371 has 2 divisors, whose sum is σ = 89561372. Its totient is φ = 89561370.

The previous prime is 89561347. The next prime is 89561401. The reversal of 89561371 is 17316598.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89561371 - 2⁷ = 89561243 is a prime.

It is not a weakly prime, because it can be changed into another prime (89561341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44780685 + 44780686.

It is an arithmetic number, because the mean of its divisors is an integer number (44780686).

Almost surely, 2^89561371 is an apocalyptic number.

89561371 is a deficient number, since it is larger than the sum of its proper divisors (1).

89561371 is an equidigital number, since it uses as much as digits as its factorization.

89561371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 40.

The square root of 89561371 is about 9463.6869665052. The cubic root of 89561371 is about 447.4112612866.

The spelling of 89561371 in words is "eighty-nine million, five hundred sixty-one thousand, three hundred seventy-one".