76869187 has 2 divisors, whose sum is σ = 76869188. Its totient is φ = 76869186.

The previous prime is 76869161. The next prime is 76869229. The reversal of 76869187 is 78196867.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76869187 - 2¹⁹ = 76344899 is a prime.

It is not a weakly prime, because it can be changed into another prime (76863187) 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, 38434593 + 38434594.

It is an arithmetic number, because the mean of its divisors is an integer number (38434594).

Almost surely, 2^76869187 is an apocalyptic number.

76869187 is a deficient number, since it is larger than the sum of its proper divisors (1).

76869187 is an equidigital number, since it uses as much as digits as its factorization.

76869187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 52.

The square root of 76869187 is about 8767.5074565124. The cubic root of 76869187 is about 425.1910319985.

The spelling of 76869187 in words is "seventy-six million, eight hundred sixty-nine thousand, one hundred eighty-seven".