76629893 has 2 divisors, whose sum is σ = 76629894. Its totient is φ = 76629892.

The previous prime is 76629871. The next prime is 76629901. The reversal of 76629893 is 39892667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76615009 + 14884 = 8753^2 + 122^2 .

It is an emirp because it is prime and its reverse (39892667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76629893 - 2²⁴ = 59852677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76629823) 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, 38314946 + 38314947.

It is an arithmetic number, because the mean of its divisors is an integer number (38314947).

Almost surely, 2^76629893 is an apocalyptic number.

It is an amenable number.

76629893 is a deficient number, since it is larger than the sum of its proper divisors (1).

76629893 is an equidigital number, since it uses as much as digits as its factorization.

76629893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 50.

The square root of 76629893 is about 8753.8501814916. The cubic root of 76629893 is about 424.7493664107.

The spelling of 76629893 in words is "seventy-six million, six hundred twenty-nine thousand, eight hundred ninety-three".