76311869 has 2 divisors, whose sum is σ = 76311870. Its totient is φ = 76311868.

The previous prime is 76311853. The next prime is 76311889. The reversal of 76311869 is 96811367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70728100 + 5583769 = 8410^2 + 2363^2 .

It is a cyclic number.

It is not a de Polignac number, because 76311869 - 2⁴ = 76311853 is a prime.

It is a super-3 number, since 3×76311869³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76311889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38155934 + 38155935.

It is an arithmetic number, because the mean of its divisors is an integer number (38155935).

Almost surely, 2^76311869 is an apocalyptic number.

It is an amenable number.

76311869 is a deficient number, since it is larger than the sum of its proper divisors (1).

76311869 is an equidigital number, since it uses as much as digits as its factorization.

76311869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The square root of 76311869 is about 8735.6664885972. Note that the first 3 decimals coincide. The cubic root of 76311869 is about 424.1609633457.

The spelling of 76311869 in words is "seventy-six million, three hundred eleven thousand, eight hundred sixty-nine".