76806427 has 2 divisors, whose sum is σ = 76806428. Its totient is φ = 76806426.

The previous prime is 76806409. The next prime is 76806449. The reversal of 76806427 is 72460867.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76806427 - 2¹⁹ = 76282139 is a prime.

It is a zygodrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 76806427.

It is not a weakly prime, because it can be changed into another prime (76809427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38403213 + 38403214.

It is an arithmetic number, because the mean of its divisors is an integer number (38403214).

Almost surely, 2^76806427 is an apocalyptic number.

76806427 is a deficient number, since it is larger than the sum of its proper divisors (1).

76806427 is an equidigital number, since it uses as much as digits as its factorization.

76806427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 76806427 is about 8763.9276012528. The cubic root of 76806427 is about 425.0752844719.

The spelling of 76806427 in words is "seventy-six million, eight hundred six thousand, four hundred twenty-seven".