76198289 has 2 divisors, whose sum is σ = 76198290. Its totient is φ = 76198288.

The previous prime is 76198249. The next prime is 76198313. The reversal of 76198289 is 98289167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46036225 + 30162064 = 6785^2 + 5492^2 .

It is an emirp because it is prime and its reverse (98289167) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76198289 - 2²⁰ = 75149713 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76198249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38099144 + 38099145.

It is an arithmetic number, because the mean of its divisors is an integer number (38099145).

Almost surely, 2^76198289 is an apocalyptic number.

It is an amenable number.

76198289 is a deficient number, since it is larger than the sum of its proper divisors (1).

76198289 is an equidigital number, since it uses as much as digits as its factorization.

76198289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 50.

The square root of 76198289 is about 8729.1631328553. The cubic root of 76198289 is about 423.9504232559.

The spelling of 76198289 in words is "seventy-six million, one hundred ninety-eight thousand, two hundred eighty-nine".