76859228189 has 2 divisors, whose sum is σ = 76859228190. Its totient is φ = 76859228188.

The previous prime is 76859228129. The next prime is 76859228191. The reversal of 76859228189 is 98182295867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71783805625 + 5075422564 = 267925^2 + 71242^2 .

It is a cyclic number.

It is not a de Polignac number, because 76859228189 - 2⁸ = 76859227933 is a prime.

Together with 76859228191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76859228129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38429614094 + 38429614095.

It is an arithmetic number, because the mean of its divisors is an integer number (38429614095).

Almost surely, 2^76859228189 is an apocalyptic number.

It is an amenable number.

76859228189 is a deficient number, since it is larger than the sum of its proper divisors (1).

76859228189 is an equidigital number, since it uses as much as digits as its factorization.

76859228189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 65.

The spelling of 76859228189 in words is "seventy-six billion, eight hundred fifty-nine million, two hundred twenty-eight thousand, one hundred eighty-nine".