89380279 has 4 divisors (see below), whose sum is σ = 89834184. Its totient is φ = 88926376.

The previous prime is 89380243. The next prime is 89380283. The reversal of 89380279 is 97208398.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89380279 - 2¹⁷ = 89249207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89380219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226657 + ... + 227050.

It is an arithmetic number, because the mean of its divisors is an integer number (22458546).

Almost surely, 2^89380279 is an apocalyptic number.

89380279 is a deficient number, since it is larger than the sum of its proper divisors (453905).

89380279 is a wasteful number, since it uses less digits than its factorization.

89380279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453904.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 89380279 is about 9454.1143953307. The cubic root of 89380279 is about 447.1095044408.

The spelling of 89380279 in words is "eighty-nine million, three hundred eighty thousand, two hundred seventy-nine".