89121367 has 2 divisors, whose sum is σ = 89121368. Its totient is φ = 89121366.

The previous prime is 89121301. The next prime is 89121371. The reversal of 89121367 is 76312198.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89121367 - 2⁷ = 89121239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89121397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44560683 + 44560684.

It is an arithmetic number, because the mean of its divisors is an integer number (44560684).

Almost surely, 2^89121367 is an apocalyptic number.

89121367 is a deficient number, since it is larger than the sum of its proper divisors (1).

89121367 is an equidigital number, since it uses as much as digits as its factorization.

89121367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 37.

The square root of 89121367 is about 9440.4113787483. The cubic root of 89121367 is about 446.6773659599.

The spelling of 89121367 in words is "eighty-nine million, one hundred twenty-one thousand, three hundred sixty-seven".