76855223 has 2 divisors, whose sum is σ = 76855224. Its totient is φ = 76855222.

The previous prime is 76855217. The next prime is 76855267. The reversal of 76855223 is 32255867.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76855223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76855123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38427611 + 38427612.

It is an arithmetic number, because the mean of its divisors is an integer number (38427612).

Almost surely, 2^76855223 is an apocalyptic number.

76855223 is a deficient number, since it is larger than the sum of its proper divisors (1).

76855223 is an equidigital number, since it uses as much as digits as its factorization.

76855223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 38.

The square root of 76855223 is about 8766.7110708635. The cubic root of 76855223 is about 425.1652838092.

The spelling of 76855223 in words is "seventy-six million, eight hundred fifty-five thousand, two hundred twenty-three".