96878489 has 2 divisors, whose sum is σ = 96878490. Its totient is φ = 96878488.

The previous prime is 96878477. The next prime is 96878497. The reversal of 96878489 is 98487869.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55056400 + 41822089 = 7420^2 + 6467^2 .

It is an emirp because it is prime and its reverse (98487869) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 96878489 - 2¹⁶ = 96812953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (96878389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48439244 + 48439245.

It is an arithmetic number, because the mean of its divisors is an integer number (48439245).

Almost surely, 2^96878489 is an apocalyptic number.

It is an amenable number.

96878489 is a deficient number, since it is larger than the sum of its proper divisors (1).

96878489 is an equidigital number, since it uses as much as digits as its factorization.

96878489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6967296, while the sum is 59.

The square root of 96878489 is about 9842.6870822962. The cubic root of 96878489 is about 459.2781510795.

The spelling of 96878489 in words is "ninety-six million, eight hundred seventy-eight thousand, four hundred eighty-nine".