76899629 has 2 divisors, whose sum is σ = 76899630. Its totient is φ = 76899628.

The previous prime is 76899611. The next prime is 76899637. The reversal of 76899629 is 92699867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71149225 + 5750404 = 8435^2 + 2398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76899629 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76899829) 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, 38449814 + 38449815.

It is an arithmetic number, because the mean of its divisors is an integer number (38449815).

Almost surely, 2^76899629 is an apocalyptic number.

It is an amenable number.

76899629 is a deficient number, since it is larger than the sum of its proper divisors (1).

76899629 is an equidigital number, since it uses as much as digits as its factorization.

76899629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 56.

The square root of 76899629 is about 8769.2433539046. The cubic root of 76899629 is about 425.2471531293.

The spelling of 76899629 in words is "seventy-six million, eight hundred ninety-nine thousand, six hundred twenty-nine".