89211379 has 2 divisors, whose sum is σ = 89211380. Its totient is φ = 89211378.

The previous prime is 89211323. The next prime is 89211383. The reversal of 89211379 is 97311298.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89211379 - 2¹⁷ = 89080307 is a prime.

It is not a weakly prime, because it can be changed into another prime (89211079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44605689 + 44605690.

It is an arithmetic number, because the mean of its divisors is an integer number (44605690).

Almost surely, 2^89211379 is an apocalyptic number.

89211379 is a deficient number, since it is larger than the sum of its proper divisors (1).

89211379 is an equidigital number, since it uses as much as digits as its factorization.

89211379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 40.

The square root of 89211379 is about 9445.1775525926. The cubic root of 89211379 is about 446.8276957703.

The spelling of 89211379 in words is "eighty-nine million, two hundred eleven thousand, three hundred seventy-nine".