78996097 has 2 divisors, whose sum is σ = 78996098. Its totient is φ = 78996096.

The previous prime is 78996077. The next prime is 78996109. The reversal of 78996097 is 79069987.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75325041 + 3671056 = 8679^2 + 1916^2 .

It is an emirp because it is prime and its reverse (79069987) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78996097 is a prime.

It is not a weakly prime, because it can be changed into another prime (78996017) 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, 39498048 + 39498049.

It is an arithmetic number, because the mean of its divisors is an integer number (39498049).

Almost surely, 2^78996097 is an apocalyptic number.

It is an amenable number.

78996097 is a deficient number, since it is larger than the sum of its proper divisors (1).

78996097 is an equidigital number, since it uses as much as digits as its factorization.

78996097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1714608, while the sum is 55.

The square root of 78996097 is about 8887.9748536998. The cubic root of 78996097 is about 429.0769762782.

The spelling of 78996097 in words is "seventy-eight million, nine hundred ninety-six thousand, ninety-seven".