76220863 has 2 divisors, whose sum is σ = 76220864. Its totient is φ = 76220862.

The previous prime is 76220849. The next prime is 76220867. The reversal of 76220863 is 36802267.

It is a strong prime.

It is an emirp because it is prime and its reverse (36802267) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76220863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76220867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38110431 + 38110432.

It is an arithmetic number, because the mean of its divisors is an integer number (38110432).

Almost surely, 2^76220863 is an apocalyptic number.

76220863 is a deficient number, since it is larger than the sum of its proper divisors (1).

76220863 is an equidigital number, since it uses as much as digits as its factorization.

76220863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 76220863 is about 8730.4560591071. The cubic root of 76220863 is about 423.9922847030.

The spelling of 76220863 in words is "seventy-six million, two hundred twenty thousand, eight hundred sixty-three".