76199947 has 2 divisors, whose sum is σ = 76199948. Its totient is φ = 76199946.

The previous prime is 76199927. The next prime is 76199993. The reversal of 76199947 is 74999167.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76199947 - 2⁷ = 76199819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76199894 and 76199903.

It is not a weakly prime, because it can be changed into another prime (76199917) 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, 38099973 + 38099974.

It is an arithmetic number, because the mean of its divisors is an integer number (38099974).

Almost surely, 2^76199947 is an apocalyptic number.

76199947 is a deficient number, since it is larger than the sum of its proper divisors (1).

76199947 is an equidigital number, since it uses as much as digits as its factorization.

76199947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 857304, while the sum is 52.

The square root of 76199947 is about 8729.2581013509. The cubic root of 76199947 is about 423.9534981486.

The spelling of 76199947 in words is "seventy-six million, one hundred ninety-nine thousand, nine hundred forty-seven".