76989611 has 2 divisors, whose sum is σ = 76989612. Its totient is φ = 76989610.

The previous prime is 76989569. The next prime is 76989613. The reversal of 76989611 is 11698967.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76989611 - 2²⁶ = 9880747 is a prime.

Together with 76989613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76989613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38494805 + 38494806.

It is an arithmetic number, because the mean of its divisors is an integer number (38494806).

Almost surely, 2^76989611 is an apocalyptic number.

76989611 is a deficient number, since it is larger than the sum of its proper divisors (1).

76989611 is an equidigital number, since it uses as much as digits as its factorization.

76989611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 47.

The square root of 76989611 is about 8774.3723992090. The cubic root of 76989611 is about 425.4129522572.

The spelling of 76989611 in words is "seventy-six million, nine hundred eighty-nine thousand, six hundred eleven".