89279357 has 4 divisors (see below), whose sum is σ = 89299740. Its totient is φ = 89258976.

The previous prime is 89279317. The next prime is 89279363. The reversal of 89279357 is 75397298.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75397298 = 2 ⋅37698649.

It can be written as a sum of positive squares in 2 ways, for example, as 72148036 + 17131321 = 8494^2 + 4139^2 .

It is a cyclic number.

It is not a de Polignac number, because 89279357 - 2¹² = 89275261 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 (89279317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632 + ... + 13377.

It is an arithmetic number, because the mean of its divisors is an integer number (22324935).

Almost surely, 2^89279357 is an apocalyptic number.

It is an amenable number.

89279357 is a deficient number, since it is larger than the sum of its proper divisors (20383).

89279357 is a wasteful number, since it uses less digits than its factorization.

89279357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20382.

The product of its digits is 952560, while the sum is 50.

The square root of 89279357 is about 9448.7754233022. The cubic root of 89279357 is about 446.9411594029.

The spelling of 89279357 in words is "eighty-nine million, two hundred seventy-nine thousand, three hundred fifty-seven".